7w-9=9(w+1)

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Solution for 7w-9=9(w+1) equation:


Simplifying
7w + -9 = 9(w + 1)

Reorder the terms:
-9 + 7w = 9(w + 1)

Reorder the terms:
-9 + 7w = 9(1 + w)
-9 + 7w = (1 * 9 + w * 9)
-9 + 7w = (9 + 9w)

Solving
-9 + 7w = 9 + 9w

Solving for variable 'w'.

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

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

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

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

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

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

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

Divide each side by '-2'.
w = -9

Simplifying
w = -9

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