90+x/2=91 - solution

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Solution for 90+x/2=91 equation:

x in (-oo:+oo)

x/2+90 = 91 // - 91

x/2-91+90 = 0

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

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

x = 1/1/2

x = 2

x = 2

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