-3(5+2a)=85-3a

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Solution for -3(5+2a)=85-3a equation: 



-3(5+2a)=85-3a

We move all terms to the left:

-3(5+2a)-(85-3a)=0

We add all the numbers together, and all the variables

-3(2a+5)-(-3a+85)=0

We multiply parentheses

-6a-(-3a+85)-15=0

We get rid of parentheses

-6a+3a-85-15=0

We add all the numbers together, and all the variables

-3a-100=0

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

-3a=100

a=100/-3

a=-33+1/3

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