问题 解答题
解方程.
(1)x÷
4
3
=
3
2

(2)4x+3×0.9=24.7
(3)6÷
2
3
-3.5x=6.
答案

(1)x÷

4
3
=
3
2

4
3
×
4
3
=
3
2
×
4
3

x=2;

(2)4x+3×0.9=24.7

4x+2.7=24.7,

4x+2.7-2.7=24.7-2.7,

4x=22,

4x÷4=22÷4,

x=5.5;

(3)6÷

2
3
-3.5x=6

9-3.5x=6,

9-3.5x+3.5x=6+3.5x,

3.5x+6=9,

3.5x+6-6=9-6,

3.5x=3,

3.5x÷3.5=3÷3.5,

x=

6
7

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