解方程:68-4.4X=2449÷X=14例:32X+12=14032X+12-12=140-1232X=12832X÷32=128÷32X=4

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解方程:68-4.4X=2449÷X=14例:32X+12=14032X+12-12=140-1232X=12832X÷32=128÷32X=4解方程:68-4.4X=2449÷X=14例:32X+1

解方程:68-4.4X=2449÷X=14例:32X+12=14032X+12-12=140-1232X=12832X÷32=128÷32X=4
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

解方程:68-4.4X=2449÷X=14例:32X+12=14032X+12-12=140-1232X=12832X÷32=128÷32X=4
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

68-4.4x=24
4.4x=44
x=10
49/x=14
x=49/14
x=7/2

68-24=4.4x
44=4.4x
x=10
49/14=x
x=7/2

6 8-4.4X=24
解:68-24=4.4x
44=4.4x
x=10
49÷x=14
解: x=49÷14
x=7/2

6 8-4.4X=24
解 -4.4X=24-68
-4.4X=-44
X=10
49÷X=14
解 49*1/X=14
14X=49
X=7/2