1.6X+2X除以0.7=18
问题描述:
1.6X+2X除以0.7=18
答
1.6x+2x/0.7=18
1.6*0.7x+2x=18*0.7
1.12x+2x=12.6
(1.12+2)x=12.6
3.12x=12.6
x=4.11