October 2018 1 42 Report

1.Rozwiąż równania:

97=2x-5 43=7+9x 17=11-12x 3 \frac{2}{3}=\frac{1}{2}x-\frac{1}{3}

\frac{1}{3}(3x-2)=2 2(x+7)=3(2x-5)


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