9=3(w-7)-6w

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Solution for 9=3(w-7)-6w equation:


Simplifying
9 = 3(w + -7) + -6w

Reorder the terms:
9 = 3(-7 + w) + -6w
9 = (-7 * 3 + w * 3) + -6w
9 = (-21 + 3w) + -6w

Combine like terms: 3w + -6w = -3w
9 = -21 + -3w

Solving
9 = -21 + -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.
9 + 3w = -21 + -3w + 3w

Combine like terms: -3w + 3w = 0
9 + 3w = -21 + 0
9 + 3w = -21

Add '-9' to each side of the equation.
9 + -9 + 3w = -21 + -9

Combine like terms: 9 + -9 = 0
0 + 3w = -21 + -9
3w = -21 + -9

Combine like terms: -21 + -9 = -30
3w = -30

Divide each side by '3'.
w = -10

Simplifying
w = -10

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