Question

реши уравнение 3у+8у+21=131​

Answer 1

Ответ:

3y + 8y + 21 = 131

3y + 8y = 131 - 21

11y = 110

y = 110 : 11

y = 10

Answer 2

3у+8у=131-21

11у=110/:11

у=10