7x+54=x-36

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Solution for 7x+54=x-36 equation: 



7x+54=x-36

We move all terms to the left:

7x+54-(x-36)=0

We get rid of parentheses

7x-x+36+54=0

We add all the numbers together, and all the variables

6x+90=0

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

6x=-90

x=-90/6

x=-15

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