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28=-6v+2(v+4)
We move all terms to the left:
28-(-6v+2(v+4))=0
We calculate terms in parentheses: -(-6v+2(v+4)), so:We get rid of parentheses
-6v+2(v+4)
We multiply parentheses
-6v+2v+8
We add all the numbers together, and all the variables
-4v+8
Back to the equation:
-(-4v+8)
4v-8+28=0
We add all the numbers together, and all the variables
4v+20=0
We move all terms containing v to the left, all other terms to the right
4v=-20
v=-20/4
v=-5
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