数学题5/12x-x/4=1/3-x 2/3-8y=3-1/2(y-1)_数学解答

数学题5/12x-x/4=1/3-x 2/3-8y=3-1/2(y-1)

人气：299 ℃　时间：2020-09-27 08:06:32

解答

5/12x-x/4=1/3-x
5x-3x=4-12x
14x=4
x=2/7
2/3-8y=3-1/2(y-1)
4-48y=18-3y+3
45y=-17
y=-17/45