42=18-4v

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Solution for 42=18-4v equation:


Simplifying
42 = 18 + -4v

Solving
42 = 18 + -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.
42 + 4v = 18 + -4v + 4v

Combine like terms: -4v + 4v = 0
42 + 4v = 18 + 0
42 + 4v = 18

Add '-42' to each side of the equation.
42 + -42 + 4v = 18 + -42

Combine like terms: 42 + -42 = 0
0 + 4v = 18 + -42
4v = 18 + -42

Combine like terms: 18 + -42 = -24
4v = -24

Divide each side by '4'.
v = -6

Simplifying
v = -6

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