5w-9=21

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Solution for 5w-9=21 equation: 


w in (-oo:+oo)

5*w-9 = 21 // - 21

5*w-21-9 = 0

5*w-30 = 0 // + 30

5*w = 30 // : 5

w = 30/5

w = 6

w = 6

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