-8w+15=4w+21

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Solution for -8w+15=4w+21 equation:


Simplifying
-8w + 15 = 4w + 21

Reorder the terms:
15 + -8w = 4w + 21

Reorder the terms:
15 + -8w = 21 + 4w

Solving
15 + -8w = 21 + 4w

Solving for variable 'w'.

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

Add '-4w' to each side of the equation.
15 + -8w + -4w = 21 + 4w + -4w

Combine like terms: -8w + -4w = -12w
15 + -12w = 21 + 4w + -4w

Combine like terms: 4w + -4w = 0
15 + -12w = 21 + 0
15 + -12w = 21

Add '-15' to each side of the equation.
15 + -15 + -12w = 21 + -15

Combine like terms: 15 + -15 = 0
0 + -12w = 21 + -15
-12w = 21 + -15

Combine like terms: 21 + -15 = 6
-12w = 6

Divide each side by '-12'.
w = -0.5

Simplifying
w = -0.5

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