-3(2a-5)-(a+3)=-10

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Solution for -3(2a-5)-(a+3)=-10 equation: 



-3(2a-5)-(a+3)=-10

We move all terms to the left:

-3(2a-5)-(a+3)-(-10)=0

We add all the numbers together, and all the variables

-3(2a-5)-(a+3)+10=0

We multiply parentheses

-6a-(a+3)+15+10=0

We get rid of parentheses

-6a-a-3+15+10=0

We add all the numbers together, and all the variables

-7a+22=0

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

-7a=-22

a=-22/-7

a=3+1/7

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