-15(a+3)=-55

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Solution for -15(a+3)=-55 equation: 



-15(a+3)=-55

We move all terms to the left:

-15(a+3)-(-55)=0

We add all the numbers together, and all the variables

-15(a+3)+55=0

We multiply parentheses

-15a-45+55=0

We add all the numbers together, and all the variables

-15a+10=0

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

-15a=-10

a=-10/-15

a=2/3

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