2-(3x-7)/4=(x+17)/5 2.4-(x-4)/2=3/5x 4/3(1/4x-1)-2-x=2
问题描述:
2-(3x-7)/4=(x+17)/5 2.4-(x-4)/2=3/5x 4/3(1/4x-1)-2-x=2
2-(3x-7)/4=(x+17)/5...这是第一个2点4-(x-4)/2=3/5x第2个4/3(1/4x-1)-2-x=2第三个
答
2-(3x-7)/4=(x+17)/5
40-15x+35=4x+68
19x=8
x=8/19
2点4-(x-4)/2=3/5x
24-5x+20=6x
11x=44
x=4
4/3(1/4x-1)-2-x=2
x-4-6-3x=6
2x=-16
x=-8