(3/8)x=3y+72;
问题描述:
(3/8)x=3y+72;
答
3X=24y+576
x =8y+192再帮帮忙,求你了(3/8)x=3y+72;(1/2)x=5y;(3/8)x=3y+72;(1/2)x=5y 即 ① x=10y ②x =8y+192①②联解得 y=96 x=960