-5w-15=-3(w+7)

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Solution for -5w-15=-3(w+7) equation:


Simplifying
-5w + -15 = -3(w + 7)

Reorder the terms:
-15 + -5w = -3(w + 7)

Reorder the terms:
-15 + -5w = -3(7 + w)
-15 + -5w = (7 * -3 + w * -3)
-15 + -5w = (-21 + -3w)

Solving
-15 + -5w = -21 + -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 + -5w + 3w = -21 + -3w + 3w

Combine like terms: -5w + 3w = -2w
-15 + -2w = -21 + -3w + 3w

Combine like terms: -3w + 3w = 0
-15 + -2w = -21 + 0
-15 + -2w = -21

Add '15' to each side of the equation.
-15 + 15 + -2w = -21 + 15

Combine like terms: -15 + 15 = 0
0 + -2w = -21 + 15
-2w = -21 + 15

Combine like terms: -21 + 15 = -6
-2w = -6

Divide each side by '-2'.
w = 3

Simplifying
w = 3

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