-7(a+3)=-49

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Solution for -7(a+3)=-49 equation: 



-7(a+3)=-49

We move all terms to the left:

-7(a+3)-(-49)=0

We add all the numbers together, and all the variables

-7(a+3)+49=0

We multiply parentheses

-7a-21+49=0

We add all the numbers together, and all the variables

-7a+28=0

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

-7a=-28

a=-28/-7

a=+4

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