7(10+3a)=-3a-50

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Solution for 7(10+3a)=-3a-50 equation: 



7(10+3a)=-3a-50

We move all terms to the left:

7(10+3a)-(-3a-50)=0

We add all the numbers together, and all the variables

7(3a+10)-(-3a-50)=0

We multiply parentheses

21a-(-3a-50)+70=0

We get rid of parentheses

21a+3a+50+70=0

We add all the numbers together, and all the variables

24a+120=0

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

24a=-120

a=-120/24

a=-5

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