3x-80=55+7x

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Solution for 3x-80=55+7x equation: 



3x-80=55+7x

We move all terms to the left:

3x-80-(55+7x)=0

We add all the numbers together, and all the variables

3x-(7x+55)-80=0

We get rid of parentheses

3x-7x-55-80=0

We add all the numbers together, and all the variables

-4x-135=0

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

-4x=135

x=135/-4

x=-33+3/4

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