7w+9=65

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Solution for 7w+9=65 equation:


w in (-oo:+oo)

7*w+9 = 65 // - 65

7*w-65+9 = 0

7*w-56 = 0 // + 56

7*w = 56 // : 7

w = 56/7

w = 8

w = 8

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