November 2018 1 21 Report

Oblicz:

a. x+x+\frac{1}{2}+2\frac{1}{2}= x+2+\frac{3}{2}x-\frac{1}{4}

b. \frac{1}{3}x+2x+1 = \frac{1}{2}x+x+2\frac{1}{3}

c. \frac{2}{3}x+x+4+x = 20


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