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

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


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

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

Reorder the terms:
21 + -3w = 9 + -6w

Solving
21 + -3w = 9 + -6w

Solving for variable 'w'.

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

Add '6w' to each side of the equation.
21 + -3w + 6w = 9 + -6w + 6w

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

Combine like terms: -6w + 6w = 0
21 + 3w = 9 + 0
21 + 3w = 9

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

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

Combine like terms: 9 + -21 = -12
3w = -12

Divide each side by '3'.
w = -4

Simplifying
w = -4

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