7w+9=51

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Solution for 7w+9=51 equation: 


w in (-oo:+oo)

7*w+9 = 51 // - 51

7*w-51+9 = 0

7*w-42 = 0 // + 42

7*w = 42 // : 7

w = 42/7

w = 6

w = 6

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