(y-3.7)+1.8=4.7 y-3.7=4.7-1.8 y-3.7=2.9 y=2.9=3.7 y=6.6
(y - 3.7) + 1.8 =4.7
y = 1.1
y = 2.9
y = 2.9 + 1.1 = 4.7
(y-3.7)+1.8=4.7 y-3.7=4.7-1.8 y-3.7=2.9 y=2.9=3.7 y=6.6
(y - 3.7) + 1.8 =4.7
y = 1.1
y = 2.9
y = 2.9 + 1.1 = 4.7