Solve for w 12+5w-4w=15

$12 + 5 w - 4 w = 15$

Subtract $4 w$ from $5 w$ .

$12 + w = 15$

Move all terms not containing $w$ to the right side of the equation.

Subtract $12$ from both sides of the equation.

$w = 15 - 12$

Subtract $12$ from $15$ .

$w = 3$

$w = 3$

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