w-3w+8=15

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


Simplifying
w + -3w + 8 = 15

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

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

Solving
8 + -2w = 15

Solving for variable 'w'.

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

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

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

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

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

Simplifying
w = -3.5

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