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2v-5(4+2v)=0
We simplify the equation to the form, which is simple to understand
2v-5(4+2v)=0
Reorder the terms in parentheses
2v+(-20-10v)=0
Remove unnecessary parentheses
+2v-20-10v=0
We move all terms containing v to the left and all other terms to the right.
+2v-10v=0+20
We simplify left and right side of the equation.
-8v=+20
We divide both sides of the equation by -8 to get v.
v=-2.5
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