-9w-21=2(w+6)

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Solution for -9w-21=2(w+6) equation:


Simplifying
-9w + -21 = 2(w + 6)

Reorder the terms:
-21 + -9w = 2(w + 6)

Reorder the terms:
-21 + -9w = 2(6 + w)
-21 + -9w = (6 * 2 + w * 2)
-21 + -9w = (12 + 2w)

Solving
-21 + -9w = 12 + 2w

Solving for variable 'w'.

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

Add '-2w' to each side of the equation.
-21 + -9w + -2w = 12 + 2w + -2w

Combine like terms: -9w + -2w = -11w
-21 + -11w = 12 + 2w + -2w

Combine like terms: 2w + -2w = 0
-21 + -11w = 12 + 0
-21 + -11w = 12

Add '21' to each side of the equation.
-21 + 21 + -11w = 12 + 21

Combine like terms: -21 + 21 = 0
0 + -11w = 12 + 21
-11w = 12 + 21

Combine like terms: 12 + 21 = 33
-11w = 33

Divide each side by '-11'.
w = -3

Simplifying
w = -3

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