4x-40=72-3x

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Solution for 4x-40=72-3x equation: 



4x-40=72-3x

We move all terms to the left:

4x-40-(72-3x)=0

We add all the numbers together, and all the variables

4x-(-3x+72)-40=0

We get rid of parentheses

4x+3x-72-40=0

We add all the numbers together, and all the variables

7x-112=0

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

7x=112

x=112/7

x=16

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