6=-y+42

Solution for 6=-y+42 equation:

Simplifying
6 = -1y + 42

Reorder the terms:
6 = 42 + -1y

Solving
6 = 42 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
6 + y = 42 + -1y + y

Combine like terms: -1y + y = 0
6 + y = 42 + 0
6 + y = 42

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

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

Combine like terms: 42 + -6 = 36
y = 36

Simplifying
y = 36