-(w+15)=3(w-4)

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Solution for -(w+15)=3(w-4) equation:


Simplifying
-1(w + 15) = 3(w + -4)

Reorder the terms:
-1(15 + w) = 3(w + -4)
(15 * -1 + w * -1) = 3(w + -4)
(-15 + -1w) = 3(w + -4)

Reorder the terms:
-15 + -1w = 3(-4 + w)
-15 + -1w = (-4 * 3 + w * 3)
-15 + -1w = (-12 + 3w)

Solving
-15 + -1w = -12 + 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.
-15 + -1w + -3w = -12 + 3w + -3w

Combine like terms: -1w + -3w = -4w
-15 + -4w = -12 + 3w + -3w

Combine like terms: 3w + -3w = 0
-15 + -4w = -12 + 0
-15 + -4w = -12

Add '15' to each side of the equation.
-15 + 15 + -4w = -12 + 15

Combine like terms: -15 + 15 = 0
0 + -4w = -12 + 15
-4w = -12 + 15

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

Divide each side by '-4'.
w = -0.75

Simplifying
w = -0.75

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