-3(a-3)=28

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Solution for -3(a-3)=28 equation: 



-3(a-3)=28

We move all terms to the left:

-3(a-3)-(28)=0

We multiply parentheses

-3a+9-28=0

We add all the numbers together, and all the variables

-3a-19=0

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

-3a=19

a=19/-3

a=-6+1/3

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