-42=-7y

Solution for -42=-7y equation:

Simplifying
-42 = -7y

Solving
-42 = -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
-42 + 7y = -7y + 7y

Combine like terms: -7y + 7y = 0
-42 + 7y = 0

Add '42' to each side of the equation.
-42 + 42 + 7y = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 7y = 0 + 42
7y = 0 + 42

Combine like terms: 0 + 42 = 42
7y = 42

Divide each side by '7'.
y = 6

Simplifying
y = 6