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2(2a+7)-7a=2(a+2)
We simplify the equation to the form, which is simple to understand
2(2a+7)-7a=2(a+2)
Reorder the terms in parentheses
+(+4a+14)-7a=2*(a+2)
Remove unnecessary parentheses
+4a+14-7a=+2+*(+a+2+)
Reorder the terms in parentheses
+4a+14-7a=+(+2a+4)
Remove unnecessary parentheses
+4a+14-7a=+2a+4
We move all terms containing a to the left and all other terms to the right.
+4a-7a-2a=+4-14
We simplify left and right side of the equation.
-5a=-10
We divide both sides of the equation by -5 to get a.
a=2
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