13-w/7=-18

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Solution for 13-w/7=-18 equation: 


w in (-oo:+oo)

13-(w/7) = -18 // + 18

13-(w/7)+18 = 0

31-1/7*w = 0 // - 31

-1/7*w = -31 // : -1/7

w = -31/(-1/7)

w = 217

w = 217

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