Question

Решите уравнение: 29+14(9-y)=19-2y

Answer 1

$29+126-14y=19-2y\ 155-19=14y-2y\ 136=12y\ y=136:12=11 frac{1}{3}$

Answer 2

29+14(9-y)=19-2y; 29+126-14у=19-2у; -14у+2у=19-29-126; -12у=-136; у=136:12; у=11 4/12; у=11 1/3