2(1+4v)=8+7(v-1)

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Solution for 2(1+4v)=8+7(v-1) equation:


Simplifying
2(1 + 4v) = 8 + 7(v + -1)
(1 * 2 + 4v * 2) = 8 + 7(v + -1)
(2 + 8v) = 8 + 7(v + -1)

Reorder the terms:
2 + 8v = 8 + 7(-1 + v)
2 + 8v = 8 + (-1 * 7 + v * 7)
2 + 8v = 8 + (-7 + 7v)

Combine like terms: 8 + -7 = 1
2 + 8v = 1 + 7v

Solving
2 + 8v = 1 + 7v

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '-7v' to each side of the equation.
2 + 8v + -7v = 1 + 7v + -7v

Combine like terms: 8v + -7v = 1v
2 + 1v = 1 + 7v + -7v

Combine like terms: 7v + -7v = 0
2 + 1v = 1 + 0
2 + 1v = 1

Add '-2' to each side of the equation.
2 + -2 + 1v = 1 + -2

Combine like terms: 2 + -2 = 0
0 + 1v = 1 + -2
1v = 1 + -2

Combine like terms: 1 + -2 = -1
1v = -1

Divide each side by '1'.
v = -1

Simplifying
v = -1

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