-1+8y+7=2y-42

Solution for -1+8y+7=2y-42 equation:

Simplifying
-1 + 8y + 7 = 2y + -42

Reorder the terms:
-1 + 7 + 8y = 2y + -42

Combine like terms: -1 + 7 = 6
6 + 8y = 2y + -42

Reorder the terms:
6 + 8y = -42 + 2y

Solving
6 + 8y = -42 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
6 + 8y + -2y = -42 + 2y + -2y

Combine like terms: 8y + -2y = 6y
6 + 6y = -42 + 2y + -2y

Combine like terms: 2y + -2y = 0
6 + 6y = -42 + 0
6 + 6y = -42

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

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

Combine like terms: -42 + -6 = -48
6y = -48

Divide each side by '6'.
y = -8

Simplifying
y = -8