2(-7)-7y-42=0

Solution for 2(-7)-7y-42=0 equation:

Simplifying
2(-7) + -7y + -42 = 0

Multiply 2 * -7
-14 + -7y + -42 = 0

Reorder the terms:
-14 + -42 + -7y = 0

Combine like terms: -14 + -42 = -56
-56 + -7y = 0

Solving
-56 + -7y = 0

Solving for variable 'y'.

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

Add '56' to each side of the equation.
-56 + 56 + -7y = 0 + 56

Combine like terms: -56 + 56 = 0
0 + -7y = 0 + 56
-7y = 0 + 56

Combine like terms: 0 + 56 = 56
-7y = 56

Divide each side by '-7'.
y = -8

Simplifying
y = -8