450+x/2=490

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Solution for 450+x/2=490 equation: 


x in (-oo:+oo)

x/2+450 = 490 // - 490

x/2-490+450 = 0

1/2*x-40 = 0 // + 40

1/2*x = 40 // : 1/2

x = 40/1/2

x = 80

x = 80

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