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

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


Simplifying
4(1 + -7v) + -4(4 + -7v) = -1v + -2v
(1 * 4 + -7v * 4) + -4(4 + -7v) = -1v + -2v
(4 + -28v) + -4(4 + -7v) = -1v + -2v
4 + -28v + (4 * -4 + -7v * -4) = -1v + -2v
4 + -28v + (-16 + 28v) = -1v + -2v

Reorder the terms:
4 + -16 + -28v + 28v = -1v + -2v

Combine like terms: 4 + -16 = -12
-12 + -28v + 28v = -1v + -2v

Combine like terms: -28v + 28v = 0
-12 + 0 = -1v + -2v
-12 = -1v + -2v

Combine like terms: -1v + -2v = -3v
-12 = -3v

Solving
-12 = -3v

Solving for variable 'v'.

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

Add '3v' to each side of the equation.
-12 + 3v = -3v + 3v

Combine like terms: -3v + 3v = 0
-12 + 3v = 0

Add '12' to each side of the equation.
-12 + 12 + 3v = 0 + 12

Combine like terms: -12 + 12 = 0
0 + 3v = 0 + 12
3v = 0 + 12

Combine like terms: 0 + 12 = 12
3v = 12

Divide each side by '3'.
v = 4

Simplifying
v = 4

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