3/7=x/13

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Solution for 3/7=x/13 equation:


x in (-oo:+oo)

3/7 = x/13 // - x/13

3/7-(x/13) = 0

3/7-1/13*x = 0 // - 3/7

-1/13*x = -3/7 // : -1/13

x = -3/7/(-1/13)

x = 39/7

x = 39/7

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