0.88-(5.12+0.08y)=4.29-y
0.88-(5.12+0.08y)=4.29-y 0.88-5.12-0.08y=4.29-y -4,24 - 0,08y = 4,29 -y -0,08y+y = 4,29+4,24 0,92y=8,53 y=8,53:0,92 y=9 25/92
0.88-(5.12+0.08y)=4.29-y 1) 5.12+0.08=5.2 2)0.88-5.2= -4.32y