20=w+13

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Solution for 20=w+13 equation:


Simplifying
20 = w + 13

Reorder the terms:
20 = 13 + w

Solving
20 = 13 + w

Solving for variable 'w'.

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

Add '-1w' to each side of the equation.
20 + -1w = 13 + w + -1w

Combine like terms: w + -1w = 0
20 + -1w = 13 + 0
20 + -1w = 13

Add '-20' to each side of the equation.
20 + -20 + -1w = 13 + -20

Combine like terms: 20 + -20 = 0
0 + -1w = 13 + -20
-1w = 13 + -20

Combine like terms: 13 + -20 = -7
-1w = -7

Divide each side by '-1'.
w = 7

Simplifying
w = 7

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