-9w+7w+(-18)=20

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Solution for -9w+7w+(-18)=20 equation:


Simplifying
-9w + 7w + (-18) = 20
-9w + 7w + -18 = 20

Reorder the terms:
-18 + -9w + 7w = 20

Combine like terms: -9w + 7w = -2w
-18 + -2w = 20

Solving
-18 + -2w = 20

Solving for variable 'w'.

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

Add '18' to each side of the equation.
-18 + 18 + -2w = 20 + 18

Combine like terms: -18 + 18 = 0
0 + -2w = 20 + 18
-2w = 20 + 18

Combine like terms: 20 + 18 = 38
-2w = 38

Divide each side by '-2'.
w = -19

Simplifying
w = -19

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