-7=9-8w

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Solution for -7=9-8w equation:


Simplifying
-7 = 9 + -8w

Solving
-7 = 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.
-7 + 8w = 9 + -8w + 8w

Combine like terms: -8w + 8w = 0
-7 + 8w = 9 + 0
-7 + 8w = 9

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

Combine like terms: -7 + 7 = 0
0 + 8w = 9 + 7
8w = 9 + 7

Combine like terms: 9 + 7 = 16
8w = 16

Divide each side by '8'.
w = 2

Simplifying
w = 2

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