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-7/2(2b+4)+5(4b+2)=0
We simplify the equation to the form, which is simple to understand
-7/2(2b+4)+5(4b+2)=0
Reorder the terms in parentheses
+(-7b-14)+5*(4b+2)=0
Remove unnecessary parentheses
-7b-14+5+*(+4b+2+)=0
Reorder the terms in parentheses
-7b-14+(+20b+10)=0
Remove unnecessary parentheses
-7b-14+20b+10=0
We move all terms containing b to the left and all other terms to the right.
-7b+20b=0+14-10
We simplify left and right side of the equation.
+13b=+4
We divide both sides of the equation by 13 to get b.
b=0.30769230769231
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