-5+12v+9=4v+42

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Solution for -5+12v+9=4v+42 equation:


Simplifying
-5 + 12v + 9 = 4v + 42

Reorder the terms:
-5 + 9 + 12v = 4v + 42

Combine like terms: -5 + 9 = 4
4 + 12v = 4v + 42

Reorder the terms:
4 + 12v = 42 + 4v

Solving
4 + 12v = 42 + 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.
4 + 12v + -4v = 42 + 4v + -4v

Combine like terms: 12v + -4v = 8v
4 + 8v = 42 + 4v + -4v

Combine like terms: 4v + -4v = 0
4 + 8v = 42 + 0
4 + 8v = 42

Add '-4' to each side of the equation.
4 + -4 + 8v = 42 + -4

Combine like terms: 4 + -4 = 0
0 + 8v = 42 + -4
8v = 42 + -4

Combine like terms: 42 + -4 = 38
8v = 38

Divide each side by '8'.
v = 4.75

Simplifying
v = 4.75

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