7x+40=3x+2x

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Solution for 7x+40=3x+2x equation: 



7x+40=3x+2x

We move all terms to the left:

7x+40-(3x+2x)=0

We add all the numbers together, and all the variables

7x-(+5x)+40=0

We get rid of parentheses

7x-5x+40=0

We add all the numbers together, and all the variables

2x+40=0

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

2x=-40

x=-40/2

x=-20

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