3[w]+15=9

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Solution for 3[w]+15=9 equation: 


Simplifying
3[w] + 15 = 9

Reorder the terms:
15 + 3w = 9

Solving
15 + 3w = 9

Solving for variable 'w'.

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

Add '-15' to each side of the equation.
15 + -15 + 3w = 9 + -15

Combine like terms: 15 + -15 = 0
0 + 3w = 9 + -15
3w = 9 + -15

Combine like terms: 9 + -15 = -6
3w = -6

Divide each side by '3'.
w = -2

Simplifying
w = -2

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