9(w+5)=-3w+21

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Solution for 9(w+5)=-3w+21 equation:


Simplifying
9(w + 5) = -3w + 21

Reorder the terms:
9(5 + w) = -3w + 21
(5 * 9 + w * 9) = -3w + 21
(45 + 9w) = -3w + 21

Reorder the terms:
45 + 9w = 21 + -3w

Solving
45 + 9w = 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.
45 + 9w + 3w = 21 + -3w + 3w

Combine like terms: 9w + 3w = 12w
45 + 12w = 21 + -3w + 3w

Combine like terms: -3w + 3w = 0
45 + 12w = 21 + 0
45 + 12w = 21

Add '-45' to each side of the equation.
45 + -45 + 12w = 21 + -45

Combine like terms: 45 + -45 = 0
0 + 12w = 21 + -45
12w = 21 + -45

Combine like terms: 21 + -45 = -24
12w = -24

Divide each side by '12'.
w = -2

Simplifying
w = -2

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