3w+9=12

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Solution for 3w+9=12 equation: 


w in (-oo:+oo)

3*w+9 = 12 // - 12

3*w-12+9 = 0

3*w-3 = 0 // + 3

3*w = 3 // : 3

w = 3/3

w = 1

w = 1

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