5/4x-2/5-13=21

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Solution for 5/4x-2/5-13=21 equation: 


x in (-oo:+oo)

(5/4)*x-(2/5)-13 = 21 // - 21

(5/4)*x-(2/5)-21-13 = 0

(5/4)*x-2/5-21-13 = 0

5/4*x-172/5 = 0 // + 172/5

5/4*x = 172/5 // : 5/4

x = 172/5/5/4

x = 688/25

x = 688/25

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