2x+x/10=42

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Solution for 2x+x/10=42 equation: 


x in (-oo:+oo)

2*x+x/10 = 42 // - 42

2*x+x/10-42 = 0

21/10*x-42 = 0 // + 42

21/10*x = 42 // : 21/10

x = 42/21/10

x = 20

x = 20

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