Question

457 - х = 96 : 12 750:а=130-115
соч!!!​

Answer 1

Ответ:

$457 - x = 96 \div 12 \\ 457 - x = 8 \\ - x = 8 - 457 \\ - x = - 449 \\ x = - 449 \div -1 \\ x = 449$

$750 \div a = 130 - 115 \\ 750 \div a = 15 \\ 15a = 750 \\ a = 750 \div 15 \\ a = 50$