20=7v-3(v+4)

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Solution for 20=7v-3(v+4) equation:


Simplifying
20 = 7v + -3(v + 4)

Reorder the terms:
20 = 7v + -3(4 + v)
20 = 7v + (4 * -3 + v * -3)
20 = 7v + (-12 + -3v)

Reorder the terms:
20 = -12 + 7v + -3v

Combine like terms: 7v + -3v = 4v
20 = -12 + 4v

Solving
20 = -12 + 4v

Solving for variable 'v'.

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

Add '-4v' to each side of the equation.
20 + -4v = -12 + 4v + -4v

Combine like terms: 4v + -4v = 0
20 + -4v = -12 + 0
20 + -4v = -12

Add '-20' to each side of the equation.
20 + -20 + -4v = -12 + -20

Combine like terms: 20 + -20 = 0
0 + -4v = -12 + -20
-4v = -12 + -20

Combine like terms: -12 + -20 = -32
-4v = -32

Divide each side by '-4'.
v = 8

Simplifying
v = 8

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