3(1-a)+5a=-2a-3(a+6)

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Solution for 3(1-a)+5a=-2a-3(a+6) equation: 



3(1-a)+5a=-2a-3(a+6)

We move all terms to the left:

3(1-a)+5a-(-2a-3(a+6))=0

We add all the numbers together, and all the variables

3(-1a+1)+5a-(-2a-3(a+6))=0

We add all the numbers together, and all the variables

5a+3(-1a+1)-(-2a-3(a+6))=0

We multiply parentheses

5a-3a-(-2a-3(a+6))+3=0



We calculate terms in parentheses: -(-2a-3(a+6)), so:

-2a-3(a+6)

We multiply parentheses

-2a-3a-18

We add all the numbers together, and all the variables

-5a-18

Back to the equation:

-(-5a-18)



We add all the numbers together, and all the variables

2a-(-5a-18)+3=0

We get rid of parentheses

2a+5a+18+3=0

We add all the numbers together, and all the variables

7a+21=0

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

7a=-21

a=-21/7

a=-3

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