7w-7=42

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Solution for 7w-7=42 equation: 


w in (-oo:+oo)

7*w-7 = 42 // - 42

7*w-42-7 = 0

7*w-49 = 0 // + 49

7*w = 49 // : 7

w = 49/7

w = 7

w = 7

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