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?

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

y1-y2
=x/2+4-2(3x-5)=3
11x/2=11
x=2