9w+21=-6(w-6)

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Solution for 9w+21=-6(w-6) equation:


Simplifying
9w + 21 = -6(w + -6)

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

Reorder the terms:
21 + 9w = -6(-6 + w)
21 + 9w = (-6 * -6 + w * -6)
21 + 9w = (36 + -6w)

Solving
21 + 9w = 36 + -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 + 9w + 6w = 36 + -6w + 6w

Combine like terms: 9w + 6w = 15w
21 + 15w = 36 + -6w + 6w

Combine like terms: -6w + 6w = 0
21 + 15w = 36 + 0
21 + 15w = 36

Add '-21' to each side of the equation.
21 + -21 + 15w = 36 + -21

Combine like terms: 21 + -21 = 0
0 + 15w = 36 + -21
15w = 36 + -21

Combine like terms: 36 + -21 = 15
15w = 15

Divide each side by '15'.
w = 1

Simplifying
w = 1

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