February 2019 0 24 Report
Rozwiąż równania.
a) 3(x−1)−x+2=53x-1-x+2=5
b) 2x−(x−1)=3+3(x−2)2x-x-1=3+3(x-2)
c) −2(x−1)+2x=3−(x−1)-2x-1+2x=3-(x-1)
d) 12(4x−2)−2(x+1)=5x+2(2x−1)124x-2-2x+1=5x+2(2x-1)
e) −(x−1)+2(3x−1)=−2x+5-x-1+23x-1=-2x+5
f) −3(1−x)−5(x+2)=−2x+1-31-x-5x+2=-2x+1
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