8x=140+x

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Solution for 8x=140+x equation: 



8x=140+x

We move all terms to the left:

8x-(140+x)=0

We add all the numbers together, and all the variables

8x-(x+140)=0

We get rid of parentheses

8x-x-140=0

We add all the numbers together, and all the variables

7x-140=0

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

7x=140

x=140/7

x=20

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