15=-5(3+w)+7

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


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

Reorder the terms:
15 = -15 + 7 + -5w

Combine like terms: -15 + 7 = -8
15 = -8 + -5w

Solving
15 = -8 + -5w

Solving for variable 'w'.

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

Add '5w' to each side of the equation.
15 + 5w = -8 + -5w + 5w

Combine like terms: -5w + 5w = 0
15 + 5w = -8 + 0
15 + 5w = -8

Add '-15' to each side of the equation.
15 + -15 + 5w = -8 + -15

Combine like terms: 15 + -15 = 0
0 + 5w = -8 + -15
5w = -8 + -15

Combine like terms: -8 + -15 = -23
5w = -23

Divide each side by '5'.
w = -4.6

Simplifying
w = -4.6

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