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0.75(8a-12)=0.5-0.25(12a+8)
We move all terms to the left:
0.75(8a-12)-(0.5-0.25(12a+8))=0
We multiply parentheses
6a-(0.5-0.25(12a+8))-9=0
We calculate terms in parentheses: -(0.5-0.25(12a+8)), so:We get rid of parentheses
0.5-0.25(12a+8)
determiningTheFunctionDomain -0.25(12a+8)+0.5
We multiply parentheses
-3a-2+0.5
We add all the numbers together, and all the variables
-3a-1.5
Back to the equation:
-(-3a-1.5)
6a+3a+1.5-9=0
We add all the numbers together, and all the variables
9a-7.5=0
We move all terms containing a to the left, all other terms to the right
9a=7.5
a=7.5/9
a=5/6
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