x+40=7x-20+12

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Solution for x+40=7x-20+12 equation: 



x+40=7x-20+12

We move all terms to the left:

x+40-(7x-20+12)=0

We add all the numbers together, and all the variables

x-(7x-8)+40=0

We get rid of parentheses

x-7x+8+40=0

We add all the numbers together, and all the variables

-6x+48=0

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

-6x=-48

x=-48/-6

x=+8

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