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-9-7(1-4v)=0
We simplify the equation to the form, which is simple to understand
-9-7(1-4v)=0
Reorder the terms in parentheses
-9+(-7+28v)=0
Remove unnecessary parentheses
-9-7+28v=0
We move all terms containing v to the left and all other terms to the right.
+28v=0+9+7
We simplify left and right side of the equation.
+28v=+16
We divide both sides of the equation by 28 to get v.
v=0.57142857142857
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