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

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


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

Reorder the terms:
-1(7 + -7v) + -2(v + 4) = 4v + -4v
(7 * -1 + -7v * -1) + -2(v + 4) = 4v + -4v
(-7 + 7v) + -2(v + 4) = 4v + -4v

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

Reorder the terms:
-7 + -8 + 7v + -2v = 4v + -4v

Combine like terms: -7 + -8 = -15
-15 + 7v + -2v = 4v + -4v

Combine like terms: 7v + -2v = 5v
-15 + 5v = 4v + -4v

Combine like terms: 4v + -4v = 0
-15 + 5v = 0

Solving
-15 + 5v = 0

Solving for variable 'v'.

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

Add '15' to each side of the equation.
-15 + 15 + 5v = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 5v = 0 + 15
5v = 0 + 15

Combine like terms: 0 + 15 = 15
5v = 15

Divide each side by '5'.
v = 3

Simplifying
v = 3

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