Решите уравнение 4(y+0,5)-(y+1)=16
4(y+0,5)-(y+1)=16 4y+2-y-1=16 4y-y=1-2+16 3y=15 y=15/3 y=5 -------- 4(5+0,5)-(5+1)=16 20+2-5-1=16 16=16
4y+2-y-1=16 3y=15 Y=15÷3 Y=5