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22=-2(4v-5)
We move all terms to the left:
22-(-2(4v-5))=0
We calculate terms in parentheses: -(-2(4v-5)), so:We get rid of parentheses
-2(4v-5)
We multiply parentheses
-8v+10
Back to the equation:
-(-8v+10)
8v-10+22=0
We add all the numbers together, and all the variables
8v+12=0
We move all terms containing v to the left, all other terms to the right
8v=-12
v=-12/8
v=-1+1/2
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