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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