-15=6(w-7)-3w

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Solution for -15=6(w-7)-3w equation:


Simplifying
-15 = 6(w + -7) + -3w

Reorder the terms:
-15 = 6(-7 + w) + -3w
-15 = (-7 * 6 + w * 6) + -3w
-15 = (-42 + 6w) + -3w

Combine like terms: 6w + -3w = 3w
-15 = -42 + 3w

Solving
-15 = -42 + 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.
-15 + -3w = -42 + 3w + -3w

Combine like terms: 3w + -3w = 0
-15 + -3w = -42 + 0
-15 + -3w = -42

Add '15' to each side of the equation.
-15 + 15 + -3w = -42 + 15

Combine like terms: -15 + 15 = 0
0 + -3w = -42 + 15
-3w = -42 + 15

Combine like terms: -42 + 15 = -27
-3w = -27

Divide each side by '-3'.
w = 9

Simplifying
w = 9

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