Ответ:
x=61/1040.
Пошаговое объяснение:
4x+3/20=5/13;
4x=5/13-3/20;
4x=100/260-39/260;
4x=61/260;
x=61/260:4;
x=61/260×4;
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Ответ:
x=61/1040.
Пошаговое объяснение:
4x+3/20=5/13;
4x=5/13-3/20;
4x=100/260-39/260;
4x=61/260;
x=61/260:4;
x=61/260×4;
x=61/1040.