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How to Check equation resolution and save your time

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How to check equation resolution

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Negative 1, 7 as a solution for a system of linear equations is tested. The equations are x + 2y = 13 and 3x - y = -11. To be a solution, both equations must be satisfied. X = -1 and y = 7 need to satisfy both equations. Testing with the first equation x + 2y = 13: -1 + 2(7) = 13 is calculated to determine if -1, 7 is a solution.

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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.

How do you know how many solutions an equation has?

If solving an equation yields a statement that is true for a single value for the variable, like x = 3, then the equation has one solution. If solving an equation yields a statement that is always true, like 3 = 3, then the equation has infinitely many solutions.

How do you know if an equation is verified?

A solution to an algebra problem is valid if both sides of the equation are still equal when the problem has been worked out with the chosen solution substituted for the variable(s).

How do I check a solution of an equation?

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.

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