9a+a-3a+20-10=8a+140

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Solution for 9a+a-3a+20-10=8a+140 equation: 



9a+a-3a+20-10=8a+140

We move all terms to the left:

9a+a-3a+20-10-(8a+140)=0

We add all the numbers together, and all the variables

7a-(8a+140)+10=0

We get rid of parentheses

7a-8a-140+10=0

We add all the numbers together, and all the variables

-1a-130=0

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

-a=130

a=130/-1

a=-130

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