7x+40=3x+40

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



7x+40=3x+40

We move all terms to the left:

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

We get rid of parentheses

7x-3x-40+40=0

We add all the numbers together, and all the variables

4x=0

x=0/4

x=0

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