а)
[tex] \frac{11}{15} x = 1[/tex]
[tex] \frac{15}{11} \times \frac{11}{15} x = \frac{15}{11} \times 1 [/tex]
15 і 11 скорочуємо
[tex]x = \frac{15}{11} [/tex]
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а)
[tex] \frac{11}{15} x = 1[/tex]
[tex] \frac{15}{11} \times \frac{11}{15} x = \frac{15}{11} \times 1 [/tex]
15 і 11 скорочуємо
[tex]x = \frac{15}{11} [/tex]