(10a+120-5a)/2=(7a-30)/10

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Solution for (10a+120-5a)/2=(7a-30)/10 equation:


(10a+120-5a)/2=(7a-30)/10

We simplify the equation to the form, which is simple to understand 
(10a+120-5a)/2=(7a-30)/10

Simplifying terms in parentheses
(+120+5a)/2=(7a-30)/10

Reorder the terms in parentheses
(+60+2.5a)=(7a-30)/10

Remove unnecessary parentheses
+60+2.5a=(7a-30)/10

Reorder the terms in parentheses
+60+2.5a=( + 0.7a-3)

Remove unnecessary parentheses
+60+2.5a=0.7a-3

We move all terms containing a to the left and all other terms to the right. 
+2.5a-0.7a=-3-60

We simplify left and right side of the equation. 
+1.8a=-63

We divide both sides of the equation by 1.8 to get a. 
a=-35

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