3w-10=20

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Solution for 3w-10=20 equation: 


Simplifying
3w + -10 = 20

Reorder the terms:
-10 + 3w = 20

Solving
-10 + 3w = 20

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 = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 3w = 20 + 10
3w = 20 + 10

Combine like terms: 20 + 10 = 30
3w = 30

Divide each side by '3'.
w = 10

Simplifying
w = 10

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