x+7x-8=40

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Solution for x+7x-8=40 equation: 



x+7x-8=40

We move all terms to the left:

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

We add all the numbers together, and all the variables

8x-48=0

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

8x=48

x=48/8

x=6

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