Question

решите уравнение 3(2-3у)+5у=2у-6

Answer 1

3(2-3у)+5у=2у-6
6 - 9y + 5y = 2y - 6
6 - 4y = 2y - 6
3 - 2y = y - 3
3 - 2y - y + 3 = 0
6 - 3y = 0
3y = 6
y = 2

Answer 2

3(2-3у)+5у=2у-6
6-9у+5у-2у=-6
-6у=-12
у=2
Ответ:2.