4=8v+2(v+7)

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


Simplifying
4 = 8v + 2(v + 7)

Reorder the terms:
4 = 8v + 2(7 + v)
4 = 8v + (7 * 2 + v * 2)
4 = 8v + (14 + 2v)

Reorder the terms:
4 = 14 + 8v + 2v

Combine like terms: 8v + 2v = 10v
4 = 14 + 10v

Solving
4 = 14 + 10v

Solving for variable 'v'.

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

Add '-10v' to each side of the equation.
4 + -10v = 14 + 10v + -10v

Combine like terms: 10v + -10v = 0
4 + -10v = 14 + 0
4 + -10v = 14

Add '-4' to each side of the equation.
4 + -4 + -10v = 14 + -4

Combine like terms: 4 + -4 = 0
0 + -10v = 14 + -4
-10v = 14 + -4

Combine like terms: 14 + -4 = 10
-10v = 10

Divide each side by '-10'.
v = -1

Simplifying
v = -1

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