9w-128=7w

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Solution for 9w-128=7w equation:


Simplifying
9w + -128 = 7w

Reorder the terms:
-128 + 9w = 7w

Solving
-128 + 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.
-128 + 9w + -7w = 7w + -7w

Combine like terms: 9w + -7w = 2w
-128 + 2w = 7w + -7w

Combine like terms: 7w + -7w = 0
-128 + 2w = 0

Add '128' to each side of the equation.
-128 + 128 + 2w = 0 + 128

Combine like terms: -128 + 128 = 0
0 + 2w = 0 + 128
2w = 0 + 128

Combine like terms: 0 + 128 = 128
2w = 128

Divide each side by '2'.
w = 64

Simplifying
w = 64

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