-20a+7+-10a=10+a

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Solution for -20a+7+-10a=10+a equation: 



-20a+7+-10a=10+a

We move all terms to the left:

-20a+7+-10a-(10+a)=0

We add all the numbers together, and all the variables

-20a-10a-(a+10)+7+=0

We add all the numbers together, and all the variables

-30a-(a+10)=0

We get rid of parentheses

-30a-a-10=0

We add all the numbers together, and all the variables

-31a-10=0

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

-31a=10

a=10/-31

a=-10/31

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