10-3w=21

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Solution for 10-3w=21 equation: 


Simplifying
10 + -3w = 21

Solving
10 + -3w = 21

Solving for variable 'w'.

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

Add '-10' to each side of the equation.
10 + -10 + -3w = 21 + -10

Combine like terms: 10 + -10 = 0
0 + -3w = 21 + -10
-3w = 21 + -10

Combine like terms: 21 + -10 = 11
-3w = 11

Divide each side by '-3'.
w = -3.666666667

Simplifying
w = -3.666666667

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