9w-10=2(w+9)

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Solution for 9w-10=2(w+9) equation:


Simplifying
9w + -10 = 2(w + 9)

Reorder the terms:
-10 + 9w = 2(w + 9)

Reorder the terms:
-10 + 9w = 2(9 + w)
-10 + 9w = (9 * 2 + w * 2)
-10 + 9w = (18 + 2w)

Solving
-10 + 9w = 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.
-10 + 9w + -2w = 18 + 2w + -2w

Combine like terms: 9w + -2w = 7w
-10 + 7w = 18 + 2w + -2w

Combine like terms: 2w + -2w = 0
-10 + 7w = 18 + 0
-10 + 7w = 18

Add '10' to each side of the equation.
-10 + 10 + 7w = 18 + 10

Combine like terms: -10 + 10 = 0
0 + 7w = 18 + 10
7w = 18 + 10

Combine like terms: 18 + 10 = 28
7w = 28

Divide each side by '7'.
w = 4

Simplifying
w = 4

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