-20=3(v-5)-8v

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Solution for -20=3(v-5)-8v equation:


Simplifying
-20 = 3(v + -5) + -8v

Reorder the terms:
-20 = 3(-5 + v) + -8v
-20 = (-5 * 3 + v * 3) + -8v
-20 = (-15 + 3v) + -8v

Combine like terms: 3v + -8v = -5v
-20 = -15 + -5v

Solving
-20 = -15 + -5v

Solving for variable 'v'.

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

Add '5v' to each side of the equation.
-20 + 5v = -15 + -5v + 5v

Combine like terms: -5v + 5v = 0
-20 + 5v = -15 + 0
-20 + 5v = -15

Add '20' to each side of the equation.
-20 + 20 + 5v = -15 + 20

Combine like terms: -20 + 20 = 0
0 + 5v = -15 + 20
5v = -15 + 20

Combine like terms: -15 + 20 = 5
5v = 5

Divide each side by '5'.
v = 1

Simplifying
v = 1

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