1200-20w=900

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Solution for 1200-20w=900 equation: 


Simplifying
1200 + -20w = 900

Solving
1200 + -20w = 900

Solving for variable 'w'.

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

Add '-1200' to each side of the equation.
1200 + -1200 + -20w = 900 + -1200

Combine like terms: 1200 + -1200 = 0
0 + -20w = 900 + -1200
-20w = 900 + -1200

Combine like terms: 900 + -1200 = -300
-20w = -300

Divide each side by '-20'.
w = 15

Simplifying
w = 15

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