4/3x+1=21

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Solution for 4/3x+1=21 equation: 


x in (-oo:+oo)

(4/3)*x+1 = 21 // - 21

(4/3)*x-21+1 = 0

4/3*x-20 = 0 // + 20

4/3*x = 20 // : 4/3

x = 20/4/3

x = 15

x = 15

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