-7a-10=20-2a

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Solution for -7a-10=20-2a equation: 



-7a-10=20-2a

We move all terms to the left:

-7a-10-(20-2a)=0

We add all the numbers together, and all the variables

-7a-(-2a+20)-10=0

We get rid of parentheses

-7a+2a-20-10=0

We add all the numbers together, and all the variables

-5a-30=0

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

-5a=30

a=30/-5

a=-6

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