7w=8w-9

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Solution for 7w=8w-9 equation: 


Simplifying
7w = 8w + -9

Reorder the terms:
7w = -9 + 8w

Solving
7w = -9 + 8w

Solving for variable 'w'.

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

Add '-8w' to each side of the equation.
7w + -8w = -9 + 8w + -8w

Combine like terms: 7w + -8w = -1w
-1w = -9 + 8w + -8w

Combine like terms: 8w + -8w = 0
-1w = -9 + 0
-1w = -9

Divide each side by '-1'.
w = 9

Simplifying
w = 9

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