21-2/5x=-7

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Solution for 21-2/5x=-7 equation: 


x in (-oo:+oo)

21-((2/5)*x) = -7 // + 7

7-((2/5)*x)+21 = 0

(-2/5)*x+7+21 = 0

28-2/5*x = 0 // - 28

-2/5*x = -28 // : -2/5

x = -28/(-2/5)

x = 70

x = 70

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