February 2019 0 51 Report
Rozwiąż równania, do 2 z nich zrób sprawdzenie.

a) 3x-7=2x+5
b)7x+3-2x=5x-3
c)3(1-x)+2=7
d)6(x+4)=5x+1+x
e) \frac{x-7}{5} -3=2x
f)3(x+3)=2(x+4)+x+1
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