-9(w-9)=7w-15

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Solution for -9(w-9)=7w-15 equation:


Simplifying
-9(w + -9) = 7w + -15

Reorder the terms:
-9(-9 + w) = 7w + -15
(-9 * -9 + w * -9) = 7w + -15
(81 + -9w) = 7w + -15

Reorder the terms:
81 + -9w = -15 + 7w

Solving
81 + -9w = -15 + 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.
81 + -9w + -7w = -15 + 7w + -7w

Combine like terms: -9w + -7w = -16w
81 + -16w = -15 + 7w + -7w

Combine like terms: 7w + -7w = 0
81 + -16w = -15 + 0
81 + -16w = -15

Add '-81' to each side of the equation.
81 + -81 + -16w = -15 + -81

Combine like terms: 81 + -81 = 0
0 + -16w = -15 + -81
-16w = -15 + -81

Combine like terms: -15 + -81 = -96
-16w = -96

Divide each side by '-16'.
w = 6

Simplifying
w = 6

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