解方程:
问题描述:
解方程:
68-4.4X=24
49÷X=14
例:32X+12=140
32X+12-12=140-12
32X=128
32X÷32=128÷32
X=4
答
68-4.4X=24
68-4.4x+4.4x=24+4.4x
68=24+4.4x
68-24=24+4.4x-24
44=4.4x
44/4.4=4.4x/4.4
10=x
49/x=14
(49/x)*x=14*x
49=14x
49/14=14x/14
3.5=x