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308=7(4+8v)
We move all terms to the left:
308-(7(4+8v))=0
We add all the numbers together, and all the variables
-(7(8v+4))+308=0
We calculate terms in parentheses: -(7(8v+4)), so:We get rid of parentheses
7(8v+4)
We multiply parentheses
56v+28
Back to the equation:
-(56v+28)
-56v-28+308=0
We add all the numbers together, and all the variables
-56v+280=0
We move all terms containing v to the left, all other terms to the right
-56v=-280
v=-280/-56
v=+5
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