Question

Решите уравнения 5y+2(3-14)=2y+21

Answer 1

5y+6-28=2y+21
5y-2y=-6+28+21
3y=43
y=14 и 1/3

Answer 2

5у+2(3-14)=2у+21
5у+2×(-11)=2у+21
5у-22=2у+21
5у-2у=21+22
3у=43
у=43/3 или 14.1/3