x*1/2=20

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Solution for x*1/2=20 equation: 


x in (-oo:+oo)

(1*x)/2 = 20 // - 20

(1*x)/2-20 = 0

x/2-20 = 0

1/2*x-20 = 0 // + 20

1/2*x = 20 // : 1/2

x = 20/1/2

x = 40

x = 40

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