-9(w+9)=7w-1

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Solution for -9(w+9)=7w-1 equation:


Simplifying
-9(w + 9) = 7w + -1

Reorder the terms:
-9(9 + w) = 7w + -1
(9 * -9 + w * -9) = 7w + -1
(-81 + -9w) = 7w + -1

Reorder the terms:
-81 + -9w = -1 + 7w

Solving
-81 + -9w = -1 + 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 = -1 + 7w + -7w

Combine like terms: -9w + -7w = -16w
-81 + -16w = -1 + 7w + -7w

Combine like terms: 7w + -7w = 0
-81 + -16w = -1 + 0
-81 + -16w = -1

Add '81' to each side of the equation.
-81 + 81 + -16w = -1 + 81

Combine like terms: -81 + 81 = 0
0 + -16w = -1 + 81
-16w = -1 + 81

Combine like terms: -1 + 81 = 80
-16w = 80

Divide each side by '-16'.
w = -5

Simplifying
w = -5

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