2Y-1/3-10Y+1/6=2Y+1/4-1求Y等于几_数学解答

2Y-1/3-10Y+1/6=2Y+1/4-1求Y等于几

人气：419 ℃　时间：2020-04-11 13:44:18

解答

(2Y-1)/3-(10Y+1)/6=(2Y+1)/4-1
4(2y-1)-2(10y+1)=3(2y+1)-12
8y-4-20y-2=6y+3-12
-12y-6y=-9+6
-18y=-3
y=1/6