20w-18=15w+90

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Solution for 20w-18=15w+90 equation:


Simplifying
20w + -18 = 15w + 90

Reorder the terms:
-18 + 20w = 15w + 90

Reorder the terms:
-18 + 20w = 90 + 15w

Solving
-18 + 20w = 90 + 15w

Solving for variable 'w'.

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

Add '-15w' to each side of the equation.
-18 + 20w + -15w = 90 + 15w + -15w

Combine like terms: 20w + -15w = 5w
-18 + 5w = 90 + 15w + -15w

Combine like terms: 15w + -15w = 0
-18 + 5w = 90 + 0
-18 + 5w = 90

Add '18' to each side of the equation.
-18 + 18 + 5w = 90 + 18

Combine like terms: -18 + 18 = 0
0 + 5w = 90 + 18
5w = 90 + 18

Combine like terms: 90 + 18 = 108
5w = 108

Divide each side by '5'.
w = 21.6

Simplifying
w = 21.6

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