Уровнения (3 /4 x-2/5)*3/4=3/4

Question

Уровнения (3 /4 x-2/5)*3/4=3/4

Answer 1

Ответ:

(3/4х-2/5)×3/4=3/4

3/4х-2/5=3/4÷3/4

3/4х=1+2/5

3/4х=1 2/5

х=1 2/5÷3/4

х=1 13/15

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(3/4×1 13/15-2/5)×3/4=3/4

3/4=3/4