7+0.5(4a+8)=-11

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Solution for 7+0.5(4a+8)=-11 equation: 



7+0.5(4a+8)=-11

We move all terms to the left:

7+0.5(4a+8)-(-11)=0

We add all the numbers together, and all the variables

0.5(4a+8)+18=0

We multiply parentheses

2a+4+18=0

We add all the numbers together, and all the variables

2a+22=0

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

2a=-22

a=-22/2

a=-11

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