8-4(a+1)=16

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Solution for 8-4(a+1)=16 equation: 



8-4(a+1)=16

We move all terms to the left:

8-4(a+1)-(16)=0

We add all the numbers together, and all the variables

-4(a+1)-8=0

We multiply parentheses

-4a-4-8=0

We add all the numbers together, and all the variables

-4a-12=0

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

-4a=12

a=12/-4

a=-3

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