7(a+3)=2(3-4a)

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Solution for 7(a+3)=2(3-4a) equation: 



7(a+3)=2(3-4a)

We move all terms to the left:

7(a+3)-(2(3-4a))=0

We add all the numbers together, and all the variables

7(a+3)-(2(-4a+3))=0

We multiply parentheses

7a-(2(-4a+3))+21=0



We calculate terms in parentheses: -(2(-4a+3)), so:

2(-4a+3)

We multiply parentheses

-8a+6

Back to the equation:

-(-8a+6)



We get rid of parentheses

7a+8a-6+21=0

We add all the numbers together, and all the variables

15a+15=0

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

15a=-15

a=-15/15

a=-1

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