题目
已知y1=-3分之2x+1,y2=x.（1）x取为何值时,y1=y2.（2）当x为何值时,y1=y2-5?
提问时间：2021-04-01
答案
1.-(2x+1)/3 = x
-2x-1=3x
5x=-1
x=-1/5
2.-(2x+1)/3 = x-5
-2x-1 = 3x-15
5x=14
x=14/5
-2x-1=3x
5x=-1
x=-1/5
2.-(2x+1)/3 = x-5
-2x-1 = 3x-15
5x=14
x=14/5
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