x/7=12/4

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Solution for x/7=12/4 equation: 


x in (-oo:+oo)

x/7 = 12/4 // - 12/4

x/7-(12/4) = 0

x/7-3 = 0

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

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

x = 3/1/7

x = 21

x = 21

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