-9w-20=-7(w+2)

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Solution for -9w-20=-7(w+2) equation:


Simplifying
-9w + -20 = -7(w + 2)

Reorder the terms:
-20 + -9w = -7(w + 2)

Reorder the terms:
-20 + -9w = -7(2 + w)
-20 + -9w = (2 * -7 + w * -7)
-20 + -9w = (-14 + -7w)

Solving
-20 + -9w = -14 + -7w

Solving for variable 'w'.

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

Add '7w' to each side of the equation.
-20 + -9w + 7w = -14 + -7w + 7w

Combine like terms: -9w + 7w = -2w
-20 + -2w = -14 + -7w + 7w

Combine like terms: -7w + 7w = 0
-20 + -2w = -14 + 0
-20 + -2w = -14

Add '20' to each side of the equation.
-20 + 20 + -2w = -14 + 20

Combine like terms: -20 + 20 = 0
0 + -2w = -14 + 20
-2w = -14 + 20

Combine like terms: -14 + 20 = 6
-2w = 6

Divide each side by '-2'.
w = -3

Simplifying
w = -3

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