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-5.5(3a+6.5)=79.75
We move all terms to the left:
-5.5(3a+6.5)-(79.75)=0
We add all the numbers together, and all the variables
-5.5(3a+6.5)-79.75=0
We multiply parentheses
-16.5a-35.75-79.75=0
We add all the numbers together, and all the variables
-16.5a-115.5=0
We move all terms containing a to the left, all other terms to the right
-16.5a=115.5
a=115.5/-16.5
a=-7
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