3(w-8)=21

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Solution for 3(w-8)=21 equation: 


Simplifying
3(w + -8) = 21

Reorder the terms:
3(-8 + w) = 21
(-8 * 3 + w * 3) = 21
(-24 + 3w) = 21

Solving
-24 + 3w = 21

Solving for variable 'w'.

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

Add '24' to each side of the equation.
-24 + 24 + 3w = 21 + 24

Combine like terms: -24 + 24 = 0
0 + 3w = 21 + 24
3w = 21 + 24

Combine like terms: 21 + 24 = 45
3w = 45

Divide each side by '3'.
w = 15

Simplifying
w = 15

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