-20=3v+4(v+2)

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Solution for -20=3v+4(v+2) equation:


Simplifying
-20 = 3v + 4(v + 2)

Reorder the terms:
-20 = 3v + 4(2 + v)
-20 = 3v + (2 * 4 + v * 4)
-20 = 3v + (8 + 4v)

Reorder the terms:
-20 = 8 + 3v + 4v

Combine like terms: 3v + 4v = 7v
-20 = 8 + 7v

Solving
-20 = 8 + 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.
-20 + -7v = 8 + 7v + -7v

Combine like terms: 7v + -7v = 0
-20 + -7v = 8 + 0
-20 + -7v = 8

Add '20' to each side of the equation.
-20 + 20 + -7v = 8 + 20

Combine like terms: -20 + 20 = 0
0 + -7v = 8 + 20
-7v = 8 + 20

Combine like terms: 8 + 20 = 28
-7v = 28

Divide each side by '-7'.
v = -4

Simplifying
v = -4

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