9(w+7)=3w-9

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Solution for 9(w+7)=3w-9 equation:


Simplifying
9(w + 7) = 3w + -9

Reorder the terms:
9(7 + w) = 3w + -9
(7 * 9 + w * 9) = 3w + -9
(63 + 9w) = 3w + -9

Reorder the terms:
63 + 9w = -9 + 3w

Solving
63 + 9w = -9 + 3w

Solving for variable 'w'.

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

Add '-3w' to each side of the equation.
63 + 9w + -3w = -9 + 3w + -3w

Combine like terms: 9w + -3w = 6w
63 + 6w = -9 + 3w + -3w

Combine like terms: 3w + -3w = 0
63 + 6w = -9 + 0
63 + 6w = -9

Add '-63' to each side of the equation.
63 + -63 + 6w = -9 + -63

Combine like terms: 63 + -63 = 0
0 + 6w = -9 + -63
6w = -9 + -63

Combine like terms: -9 + -63 = -72
6w = -72

Divide each side by '6'.
w = -12

Simplifying
w = -12

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