October 2018 1 11 Report

rozwiąż równania:

2(x-1)+3x=5(x+2)

0,5(2x-4)-3x+2=0

4x+1/2=5x

2x-1/5 + 1/3 =2x-1

5-3x/2 + x-1/3=4

4+2x=4+5x/7

(x-1)(x+1)=x2+4x

z góry wielkie dzięki!


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