-3-7w-2w=-84

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Solution for -3-7w-2w=-84 equation: 


w in (-oo:+oo)

-(7*w)-(2*w)-3 = -84 // + 84

84-(7*w)-(2*w)-3 = 0

84-7*w-2*w-3 = 0

81-9*w = 0 // - 81

-9*w = -81 // : -9

w = -81/(-9)

w = 9

w = 9

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