-6-9w=-7w

Solution for -6-9w=-7w equation:

Simplifying
-6 + -9w = -7w

Solving
-6 + -9w = -7w

Solving for variable 'w'.

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

Add '7w' to each side of the equation.
-6 + -9w + 7w = -7w + 7w

Combine like terms: -9w + 7w = -2w
-6 + -2w = -7w + 7w

Combine like terms: -7w + 7w = 0
-6 + -2w = 0

Add '6' to each side of the equation.
-6 + 6 + -2w = 0 + 6

Combine like terms: -6 + 6 = 0
0 + -2w = 0 + 6
-2w = 0 + 6

Combine like terms: 0 + 6 = 6
-2w = 6

Divide each side by '-2'.
w = -3

Simplifying
w = -3