42=2(1+4v)+2v

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Solution for 42=2(1+4v)+2v equation:



42=2(1+4v)+2v
We move all terms to the left:
42-(2(1+4v)+2v)=0
We add all the numbers together, and all the variables
-(2(4v+1)+2v)+42=0
We calculate terms in parentheses: -(2(4v+1)+2v), so:
2(4v+1)+2v
We add all the numbers together, and all the variables
2v+2(4v+1)
We multiply parentheses
2v+8v+2
We add all the numbers together, and all the variables
10v+2
Back to the equation:
-(10v+2)
We get rid of parentheses
-10v-2+42=0
We add all the numbers together, and all the variables
-10v+40=0
We move all terms containing v to the left, all other terms to the right
-10v=-40
v=-40/-10
v=+4

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