21=19+W-5

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Solution for 21=19+W-5 equation:


Simplifying
21 = 19 + W + -5

Reorder the terms:
21 = 19 + -5 + W

Combine like terms: 19 + -5 = 14
21 = 14 + W

Solving
21 = 14 + 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.
21 + -1W = 14 + W + -1W

Combine like terms: W + -1W = 0
21 + -1W = 14 + 0
21 + -1W = 14

Add '-21' to each side of the equation.
21 + -21 + -1W = 14 + -21

Combine like terms: 21 + -21 = 0
0 + -1W = 14 + -21
-1W = 14 + -21

Combine like terms: 14 + -21 = -7
-1W = -7

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

Simplifying
W = 7

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