3/10x+4=13

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Solution for 3/10x+4=13 equation: 


x in (-oo:+oo)

(3/10)*x+4 = 13 // - 13

(3/10)*x-13+4 = 0

3/10*x-9 = 0 // + 9

3/10*x = 9 // : 3/10

x = 9/3/10

x = 30

x = 30

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