128=40+8x

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Solution for 128=40+8x equation: 



128=40+8x

We move all terms to the left:

128-(40+8x)=0

We add all the numbers together, and all the variables

-(8x+40)+128=0

We get rid of parentheses

-8x-40+128=0

We add all the numbers together, and all the variables

-8x+88=0

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

-8x=-88

x=-88/-8

x=+11

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