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3(a+4)/9=2a-12
We simplify the equation to the form, which is simple to understand
3(a+4)/9=2a-12
Reorder the terms in parentheses
+(+3a+12)/9=2a-12
Reorder the terms in parentheses
+( + 0.333333333333a+1.33333333333)=2a-12
Remove unnecessary parentheses
+ 0.333333333333a+1.33333333333=+2a-12
We move all terms containing a to the left and all other terms to the right.
+ 0.333333333333a-2a=-12-1.33333333333
We simplify left and right side of the equation.
-1.66666666667a=-13.3333333333
We divide both sides of the equation by -1.66666666667 to get a.
a=8
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