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12a-3a/13=13(a-64)
We simplify the equation to the form, which is simple to understand
12a-3a/13=13(a-64)
Simplifying:
12a-0.230769230769a=13*(a-64)
Reorder the terms in parentheses
12a-0.230769230769a=+(+13a-832)
Remove unnecessary parentheses
+12a-0.230769230769a=+13a-832
We move all terms containing a to the left and all other terms to the right.
+12a-0.230769230769a-13a=-832
We simplify left and right side of the equation.
-1.23076923077a=-832
We divide both sides of the equation by -1.23076923077 to get a.
a=676
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