September 2018 1 28 Report

1.Z każdego z podanych niżej wzorów wyznacz X:

a)5x-b=2x+c

b)ax² +bc=d

c)ax-b=cx-d

d)2(a+2x)+x=b(x+c)

e)\frac{a+x}{x-b} = \frac{c}{1}

f)\frac{x+a}{c} = \frac{b}{d}

2.Rozwiąż nierówności:

a)2(x+1)+3(x-2)<x+4

b)3(x-5)-2(3x-1)>-5

c)\frac{x+2}{3} -\frac{x-2}{2}<\frac{10-x}{6}

d)\frac{x-2}{2}-\frac{3x-4}{2} ≥ 3-x


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