y/-7+42=63

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Solution for y/-7+42=63 equation: 


y in (-oo:+oo)

y/(-7)+42 = 63 // - 63

y/(-7)-63+42 = 0

-1/7*y-21 = 0 // + 21

-1/7*y = 21 // : -1/7

y = 21/(-1/7)

y = -147

y = -147

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