-7(1+4a)=161

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Solution for -7(1+4a)=161 equation: 



-7(1+4a)=161

We move all terms to the left:

-7(1+4a)-(161)=0

We add all the numbers together, and all the variables

-7(4a+1)-161=0

We multiply parentheses

-28a-7-161=0

We add all the numbers together, and all the variables

-28a-168=0

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

-28a=168

a=168/-28

a=-6

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