Zadanie 8
Rozwiąż równania.
a) \frac{2}{3}x-3=\frac{2x+10}{4}
b)
\frac{x-1}{2}-\frac{x+4}{3}=2x
c)
\frac{3}{4}x-\frac{4x+1}{2}+x=-\frac{3}{8}
d)
\frac{5x-11}{4}-\frac{x-1}{10}=\frac{11x-1}{12}
\frac{5(5x-11)-2(x-1)}{20}=\frac{11x-1}{12}
\frac{25x-55-2x+2}{20}=\frac{11x-1}{12}
\frac{23x-53}{20}=\frac{11x-1}{12}
12(23x-53)=20(11x-1)|:4
3(23x-53)=5(11x-1)
69x-159=55x-5
69x-55x=159-5
14x=154|:14
x=11
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