20-3w=7w

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Solution for 20-3w=7w equation:


Simplifying
20 + -3w = 7w

Solving
20 + -3w = 7w

Solving for variable 'w'.

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

Add '-7w' to each side of the equation.
20 + -3w + -7w = 7w + -7w

Combine like terms: -3w + -7w = -10w
20 + -10w = 7w + -7w

Combine like terms: 7w + -7w = 0
20 + -10w = 0

Add '-20' to each side of the equation.
20 + -20 + -10w = 0 + -20

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

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

Divide each side by '-10'.
w = 2

Simplifying
w = 2

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