7x+3x-40=4x+20

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Solution for 7x+3x-40=4x+20 equation: 



7x+3x-40=4x+20

We move all terms to the left:

7x+3x-40-(4x+20)=0

We add all the numbers together, and all the variables

10x-(4x+20)-40=0

We get rid of parentheses

10x-4x-20-40=0

We add all the numbers together, and all the variables

6x-60=0

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

6x=60

x=60/6

x=10

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