7a+5a+6=-18

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Solution for 7a+5a+6=-18 equation: 



7a+5a+6=-18

We move all terms to the left:

7a+5a+6-(-18)=0

We add all the numbers together, and all the variables

12a+24=0

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

12a=-24

a=-24/12

a=-2

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