7x+115=3x+35

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Solution for 7x+115=3x+35 equation: 



7x+115=3x+35

We move all terms to the left:

7x+115-(3x+35)=0

We get rid of parentheses

7x-3x-35+115=0

We add all the numbers together, and all the variables

4x+80=0

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

4x=-80

x=-80/4

x=-20

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