Question

решите уравнение 2(y-3) - (y+1)= 10

Answer 1

$2(y - 3) - (y + 1) = 10 \\ 2y - 6 - y - 1 = 10 \\ y = 17$

Answer 2

2у-6-у-1=10
у-7=10
у=17