7x+3=3x-87

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Solution for 7x+3=3x-87 equation: 



7x+3=3x-87

We move all terms to the left:

7x+3-(3x-87)=0

We get rid of parentheses

7x-3x+87+3=0

We add all the numbers together, and all the variables

4x+90=0

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

4x=-90

x=-90/4

x=-22+1/2

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