x+40=7x-32

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Solution for x+40=7x-32 equation: 



x+40=7x-32

We move all terms to the left:

x+40-(7x-32)=0

We get rid of parentheses

x-7x+32+40=0

We add all the numbers together, and all the variables

-6x+72=0

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

-6x=-72

x=-72/-6

x=+12

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