19=15w-(12w+4)

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Solution for 19=15w-(12w+4) equation:


Simplifying
19 = 15w + -1(12w + 4)

Reorder the terms:
19 = 15w + -1(4 + 12w)
19 = 15w + (4 * -1 + 12w * -1)
19 = 15w + (-4 + -12w)

Reorder the terms:
19 = -4 + 15w + -12w

Combine like terms: 15w + -12w = 3w
19 = -4 + 3w

Solving
19 = -4 + 3w

Solving for variable 'w'.

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

Add '-3w' to each side of the equation.
19 + -3w = -4 + 3w + -3w

Combine like terms: 3w + -3w = 0
19 + -3w = -4 + 0
19 + -3w = -4

Add '-19' to each side of the equation.
19 + -19 + -3w = -4 + -19

Combine like terms: 19 + -19 = 0
0 + -3w = -4 + -19
-3w = -4 + -19

Combine like terms: -4 + -19 = -23
-3w = -23

Divide each side by '-3'.
w = 7.666666667

Simplifying
w = 7.666666667

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