3(w-2)-6w=-21

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Solution for 3(w-2)-6w=-21 equation:


Simplifying
3(w + -2) + -6w = -21

Reorder the terms:
3(-2 + w) + -6w = -21
(-2 * 3 + w * 3) + -6w = -21
(-6 + 3w) + -6w = -21

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

Solving
-6 + -3w = -21

Solving for variable 'w'.

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

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

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

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

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

Simplifying
w = 5

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