10w+20=90

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Solution for 10w+20=90 equation: 


Simplifying
10w + 20 = 90

Reorder the terms:
20 + 10w = 90

Solving
20 + 10w = 90

Solving for variable 'w'.

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

Add '-20' to each side of the equation.
20 + -20 + 10w = 90 + -20

Combine like terms: 20 + -20 = 0
0 + 10w = 90 + -20
10w = 90 + -20

Combine like terms: 90 + -20 = 70
10w = 70

Divide each side by '10'.
w = 7

Simplifying
w = 7

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