15=w-3w+8

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Solution for 15=w-3w+8 equation:


Simplifying
15 = w + -3w + 8

Reorder the terms:
15 = 8 + w + -3w

Combine like terms: w + -3w = -2w
15 = 8 + -2w

Solving
15 = 8 + -2w

Solving for variable 'w'.

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

Add '2w' to each side of the equation.
15 + 2w = 8 + -2w + 2w

Combine like terms: -2w + 2w = 0
15 + 2w = 8 + 0
15 + 2w = 8

Add '-15' to each side of the equation.
15 + -15 + 2w = 8 + -15

Combine like terms: 15 + -15 = 0
0 + 2w = 8 + -15
2w = 8 + -15

Combine like terms: 8 + -15 = -7
2w = -7

Divide each side by '2'.
w = -3.5

Simplifying
w = -3.5

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