February 2019 0 25 Report
Rozwiąż równania, do 2 z nich zrób sprawdzenie.
a)3(1-x)+2x=-7
b)-2(4-5x)=3(4x+3)
c) \frac{1}{7} y- \frac{5}{7} =2
d) \frac{y}{4} - \frac{3}{8} = \frac{1}{2}
e) \frac{x+2}{9} + \frac{x-1}{3} =1
f)0,03x+0,2=0,01x-2
g) \frac{3x-5}{2} - \frac{5x-1}{10} =0
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