2/5X+1=21

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Solution for 2/5X+1=21 equation: 


X in (-oo:+oo)

(2/5)*X+1 = 21 // - 21

(2/5)*X-21+1 = 0

2/5*X-20 = 0 // + 20

2/5*X = 20 // : 2/5

X = 20/2/5

X = 50

X = 50

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