15=12+5w-4w

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Solution for 15=12+5w-4w equation:


Simplifying
15 = 12 + 5w + -4w

Combine like terms: 5w + -4w = 1w
15 = 12 + 1w

Solving
15 = 12 + 1w

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 = 12 + 1w + -1w

Combine like terms: 1w + -1w = 0
15 + -1w = 12 + 0
15 + -1w = 12

Add '-15' to each side of the equation.
15 + -15 + -1w = 12 + -15

Combine like terms: 15 + -15 = 0
0 + -1w = 12 + -15
-1w = 12 + -15

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

Divide each side by '-1'.
w = 3

Simplifying
w = 3

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