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20-a/2=3/2(a+4)
We simplify the equation to the form, which is simple to understand
20-a/2=3/2(a+4)
Simplifying:
20-0.5a=3/2*(a+4)
Simplifying:
20-0.5a=+1.5*(a+4)
Reorder the terms in parentheses
20-0.5a=+(+1.5a+6)
Remove unnecessary parentheses
+20-0.5a=+1.5a+6
We move all terms containing a to the left and all other terms to the right.
-0.5a-1.5a=+6-20
We simplify left and right side of the equation.
-2a=-14
We divide both sides of the equation by -2 to get a.
a=7
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