Question

x/0.15-3-x/0.2+4=6/0.3-0.1x等于几

x-3/0.15-x+4/0.2=1.感激不尽!
0.15分之x-3 减去 0.2分之x+4 =1.6 这题x=24.96

Answer 1

x-3/0.15-x+4/0.2=1.6
(x-3)/0.15-(x+4)/0.2=1.6
100(x-3)/15-10(x+4)/2=1.6
20(x-3)/3-5(x+4)=1.6
20(x-3)-15(x+4)=4.8
20x-60-15x-60=4.8
20x-15x=4.8+60+60
5x=124.8
x=124.8/5
x=24.96