18y+42=12y

Solution for 18y+42=12y equation:

Simplifying
18y + 42 = 12y

Reorder the terms:
42 + 18y = 12y

Solving
42 + 18y = 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
42 + 18y + -12y = 12y + -12y

Combine like terms: 18y + -12y = 6y
42 + 6y = 12y + -12y

Combine like terms: 12y + -12y = 0
42 + 6y = 0

Add '-42' to each side of the equation.
42 + -42 + 6y = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 6y = 0 + -42
6y = 0 + -42

Combine like terms: 0 + -42 = -42
6y = -42

Divide each side by '6'.
y = -7

Simplifying
y = -7