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How to check equation article

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welcome to friendly math 101 today our lesson is on how to check your answers when youre solving equations when youre checking your answers you want to make sure that your solution creates a true statement so lets say we have this equation and we think our solution after weve solved the problem is x equals negative 3 what were going to do is were going to substitute this value in for X so we get negative 3 times negative 3 plus 4 is equal to 13 now negative 3 times negative 3 is 9 and well just recopy everything else down here 9 plus 4 is 13 which does in fact equal 13 so this does create a true statement which means our solution of X is equal to negative 3 is correct now lets take a look at an example where our solution is incorrect and where we would create a false statement so here we have a multi-step equation and lets just say after we solve the problem we got a is equal to 8 were going to substitute this in for all of the a values on both sides of the equal sign and th

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How do you check answers in one step equations?

A one-step equation is an algebraic equation you can solve in only one step. Once youve solved it, youve found the value of the variable that makes the equation true. To solve one-step equations, we do the inverse (opposite) of whatever operation is being performed on the variable, so we get the variable by itself.

How do you check if your solution to an equation is correct?

We check a solution to an equation by replacing the variable in the equation with the value of the solution. A solution should result in a true statement when simplified.

What does check your solution mean?

Check a Solution. The process of making sure a solution is correct by making sure it satisfies any and all equations and/or inequalities in a problem. 1. Example: Verify that x = 3 is a solution of the equation x2 5x + 6 = 0.

When solving systems of equations you can check your answer by?

To check a system of equations by substitution, you plug your values for x and y into the original equations. If both simplified expressions are true then your answer is correct.

How do you find out if an equation is true false or open?

An equation is true if the expressions on either side of the equal sign are equal. An equation is false if the expressions on either side of the equal sign are not equal. An equation is an open sentence if it contains one or more variables.

How do you verify the answer of an equation?

1:09 7:51 Be true and so lets look at a just a very simple example if we had 2x equals 6 and we divide bothMoreBe true and so lets look at a just a very simple example if we had 2x equals 6 and we divide both sides by 2. And we get an answer of x equals.

What is 1 step equation examples?

For example, 𝑥 8 = 3 is an exampe of a one-step equation. It can be solved in one-step by adding 8 to both sides. 3 + 8 = 11 and so, 𝑥 = 11.

How do you know if a math statement is true or false?

In math, a certain statement is true if its a correct statement, while its considered false if it is incorrect. And if the truth of the statement depends on an unknown value, then the statement is open.

What is a true and false equation?

0:04 5:18 True or False Equations - YouTube YouTube Start of suggested clip End of suggested clip This lesson is on determining. If an equation is true or false. And before we go on I want to makeMoreThis lesson is on determining. If an equation is true or false. And before we go on I want to make sure we know what true and false means true means something is correct or its right and false means

How do you know if an equation is true?

Simply put, if there is an equal sign = then its an equation. It can be true like saying apple = apple or it can be false, like apple = sloth.

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