x/7=21

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Solution for x/7=21 equation: 


x in (-oo:+oo)

x/7 = 21 // - 21

x/7-21 = 0

1/7*x-21 = 0 // + 21

1/7*x = 21 // : 1/7

x = 21/1/7

x = 147

x = 147

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