Question

1)63 : х = 159-159
2)80 × у = 1000 - 280
3)7 × х = 84 :4

Answer 1

1)63:х=0

Нет решения

$2)80 times y = 1000 - 280 \ 80 times y = 720 \ y = 720 div 80 \ y = 9$

$3)7 times x = 84 div 4 \ 7 times x = 21 \ x = 21 div 7 \ x = 3$