4/5=X/7

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Solution for 4/5=X/7 equation: 


X in (-oo:+oo)

4/5 = X/7 // - X/7

4/5-(X/7) = 0

4/5-1/7*X = 0 // - 4/5

-1/7*X = -4/5 // : -1/7

X = -4/5/(-1/7)

X = 28/5

X = 28/5

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