已知y1=二分之+4,y2=3x-5,当x取何值时,y1比y2的2倍大3?
问题描述:
已知y1=二分之+4,y2=3x-5,当x取何值时,y1比y2的2倍大3?
答
已知y1=二分之+4,y2=3x-5,当x取何值时,y1比y2的2倍大3?
y1-y2
=x/2+4-2(3x-5)=3
11x/2=11
x=2
答
y1-y2
=x/2+4-2(3x-5)=3
11x/2=11
x=2