Question

Уравнение 5*(y-1)-3*(y-2)=7-y+3

Answer 1

5y-5-3y+6=7-y+3
5y-3y+y=7+3+5-6
3y=9
y=3

Answer 2

5y-5-3y+6=7-1y+3
5y-3y+1y=5-6+7+3
3y=9
y=9:3
y=3