2x+40=7x-25

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Solution for 2x+40=7x-25 equation: 



2x+40=7x-25

We move all terms to the left:

2x+40-(7x-25)=0

We get rid of parentheses

2x-7x+25+40=0

We add all the numbers together, and all the variables

-5x+65=0

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

-5x=-65

x=-65/-5

x=+13

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