4-20=5v-7v

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Solution for 4-20=5v-7v equation:


Simplifying
4 + -20 = 5v + -7v

Combine like terms: 4 + -20 = -16
-16 = 5v + -7v

Combine like terms: 5v + -7v = -2v
-16 = -2v

Solving
-16 = -2v

Solving for variable 'v'.

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

Add '2v' to each side of the equation.
-16 + 2v = -2v + 2v

Combine like terms: -2v + 2v = 0
-16 + 2v = 0

Add '16' to each side of the equation.
-16 + 16 + 2v = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 2v = 0 + 16
2v = 0 + 16

Combine like terms: 0 + 16 = 16
2v = 16

Divide each side by '2'.
v = 8

Simplifying
v = 8

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