-7a-(a-5)=-10

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Solution for -7a-(a-5)=-10 equation: 



-7a-(a-5)=-10

We move all terms to the left:

-7a-(a-5)-(-10)=0

We add all the numbers together, and all the variables

-7a-(a-5)+10=0

We get rid of parentheses

-7a-a+5+10=0

We add all the numbers together, and all the variables

-8a+15=0

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

-8a=-15

a=-15/-8

a=1+7/8

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