-21=3w-6

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Solution for -21=3w-6 equation:


Simplifying
-21 = 3w + -6

Reorder the terms:
-21 = -6 + 3w

Solving
-21 = -6 + 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.
-21 + -3w = -6 + 3w + -3w

Combine like terms: 3w + -3w = 0
-21 + -3w = -6 + 0
-21 + -3w = -6

Add '21' to each side of the equation.
-21 + 21 + -3w = -6 + 21

Combine like terms: -21 + 21 = 0
0 + -3w = -6 + 21
-3w = -6 + 21

Combine like terms: -6 + 21 = 15
-3w = 15

Divide each side by '-3'.
w = -5

Simplifying
w = -5

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