15=3+w

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Solution for 15=3+w equation:


Simplifying
15 = 3 + w

Solving
15 = 3 + 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.
15 + -1w = 3 + w + -1w

Combine like terms: w + -1w = 0
15 + -1w = 3 + 0
15 + -1w = 3

Add '-15' to each side of the equation.
15 + -15 + -1w = 3 + -15

Combine like terms: 15 + -15 = 0
0 + -1w = 3 + -15
-1w = 3 + -15

Combine like terms: 3 + -15 = -12
-1w = -12

Divide each side by '-1'.
w = 12

Simplifying
w = 12

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