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

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


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

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

Reorder the terms:
-9 + 7w = -2(9 + w)
-9 + 7w = (9 * -2 + w * -2)
-9 + 7w = (-18 + -2w)

Solving
-9 + 7w = -18 + -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.
-9 + 7w + 2w = -18 + -2w + 2w

Combine like terms: 7w + 2w = 9w
-9 + 9w = -18 + -2w + 2w

Combine like terms: -2w + 2w = 0
-9 + 9w = -18 + 0
-9 + 9w = -18

Add '9' to each side of the equation.
-9 + 9 + 9w = -18 + 9

Combine like terms: -9 + 9 = 0
0 + 9w = -18 + 9
9w = -18 + 9

Combine like terms: -18 + 9 = -9
9w = -9

Divide each side by '9'.
w = -1

Simplifying
w = -1

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