-7w-12=-3(w-4)

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Solution for -7w-12=-3(w-4) equation:


Simplifying
-7w + -12 = -3(w + -4)

Reorder the terms:
-12 + -7w = -3(w + -4)

Reorder the terms:
-12 + -7w = -3(-4 + w)
-12 + -7w = (-4 * -3 + w * -3)
-12 + -7w = (12 + -3w)

Solving
-12 + -7w = 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.
-12 + -7w + 3w = 12 + -3w + 3w

Combine like terms: -7w + 3w = -4w
-12 + -4w = 12 + -3w + 3w

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

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

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

Combine like terms: 12 + 12 = 24
-4w = 24

Divide each side by '-4'.
w = -6

Simplifying
w = -6

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