1.7x-120%x=6.5
问题描述:
1.7x-120%x=6.5
答
1.7x-120%x=6.5
1.7x-1.2x=6.5
0.5x=6.5
x=13
1.7x-120%x=6.5
1.7x-120%x=6.5
1.7x-1.2x=6.5
0.5x=6.5
x=13