x/2-20=30 - solution

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Solution for x/2-20=30 equation:

x in (-oo:+oo)

x/2-20 = 30 // - 30

x/2-30-20 = 0

1/2*x-50 = 0 // + 50

1/2*x = 50 // : 1/2

x = 50/1/2

x = 100

x = 100

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