-81=-9(w-87)

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Solution for -81=-9(w-87) equation:


Simplifying
-81 = -9(w + -87)

Reorder the terms:
-81 = -9(-87 + w)
-81 = (-87 * -9 + w * -9)
-81 = (783 + -9w)

Solving
-81 = 783 + -9w

Solving for variable 'w'.

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

Add '9w' to each side of the equation.
-81 + 9w = 783 + -9w + 9w

Combine like terms: -9w + 9w = 0
-81 + 9w = 783 + 0
-81 + 9w = 783

Add '81' to each side of the equation.
-81 + 81 + 9w = 783 + 81

Combine like terms: -81 + 81 = 0
0 + 9w = 783 + 81
9w = 783 + 81

Combine like terms: 783 + 81 = 864
9w = 864

Divide each side by '9'.
w = 96

Simplifying
w = 96

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