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in this video we are going to look at two exam style questions where you have to rearrange algebraic equations to make x the subject in the first question we have 2x minus 4 equals 3y where making x the subject is worth 3 marks and in the second question we have y equals 2z minus x all divided by x and making x the subject in this type of question is typically worth four marks both of these questions require a good understanding of algebra so to help you with this im going to take you through step by step so lets start with the first question 2x minus 4 equals 3y where we want to rearrange the left-hand side to get x on its own giving a new equation x equals something to do this we firstly consider the minus 4 term because if we add 4 to both sides the minus 4 on the left hand side disappears because minus four plus four equals zero and on the right hand side we have three y plus four in algebra it is very important that you carry out the same action on both sides of the equation so
