7-4m/5=-9

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Solution for 7-4m/5=-9 equation: 


m in (-oo:+oo)

7-((4*m)/5) = -9 // + 9

7-((4*m)/5)+9 = 0

(-4/5)*m+7+9 = 0

16-4/5*m = 0 // - 16

-4/5*m = -16 // : -4/5

m = -16/(-4/5)

m = 20

m = 20

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