3x-(43-x)=9

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Solution for 3x-(43-x)=9 equation: 



3x-(43-x)=9

We move all terms to the left:

3x-(43-x)-(9)=0

We add all the numbers together, and all the variables

3x-(-1x+43)-9=0

We get rid of parentheses

3x+1x-43-9=0

We add all the numbers together, and all the variables

4x-52=0

We move all terms containing x to the left, all other terms to the right

4x=52

x=52/4

x=13

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