-4/5s=9/7

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


s in (-oo:+oo)

(-4/5)*s = 9/7 // - 9/7

(-4/5)*s-(9/7) = 0

(-4/5)*s-9/7 = 0

-4/5*s-9/7 = 0 // + 9/7

-4/5*s = 9/7 // : -4/5

s = 9/7/(-4/5)

s = -45/28

s = -45/28

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