21+1/2x=100-5 - solution

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Solution for 21+1/2x=100-5 equation:

x in (-oo:+oo)

(1/2)*x+21 = 100-5 // - 100-5

(1/2)*x-100+5+21 = 0

1/2*x-74 = 0 // + 74

1/2*x = 74 // : 1/2

x = 74/1/2

x = 148

x = 148

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