2x+-25+7x+-75=7x+-20

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Solution for 2x+-25+7x+-75=7x+-20 equation: 



2x+-25+7x+-75=7x+-20

We move all terms to the left:

2x+-25+7x+-75-(7x+-20)=0

We add all the numbers together, and all the variables

2x+7x-(7x-20)-25-75++=0

We add all the numbers together, and all the variables

9x-(7x-20)=0

We get rid of parentheses

9x-7x+20=0

We add all the numbers together, and all the variables

2x+20=0

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

2x=-20

x=-20/2

x=-10

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