v+42=v*3

Solution for v+42=v*3 equation:

Simplifying
v + 42 = v * 3

Reorder the terms:
42 + v = v * 3

Reorder the terms for easier multiplication:
42 + v = 3v

Solving
42 + v = 3v

Solving for variable 'v'.

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

Add '-3v' to each side of the equation.
42 + v + -3v = 3v + -3v

Combine like terms: v + -3v = -2v
42 + -2v = 3v + -3v

Combine like terms: 3v + -3v = 0
42 + -2v = 0

Add '-42' to each side of the equation.
42 + -42 + -2v = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -2v = 0 + -42
-2v = 0 + -42

Combine like terms: 0 + -42 = -42
-2v = -42

Divide each side by '-2'.
v = 21

Simplifying
v = 21