问题
解答题
求未知数x. (1)4x+0.8x=9.6 (2)x:
|
答案
(1)4x+0.8x=9.6,
4.8x=9.6,
4.8x÷4.8=9.6÷4.8,
x=2;
(2)x:
=6:5,5 6
5x=
×6,5 6
5x=5,
5x÷5=5÷5,
x=1.
求未知数x. (1)4x+0.8x=9.6 (2)x:
|
(1)4x+0.8x=9.6,
4.8x=9.6,
4.8x÷4.8=9.6÷4.8,
x=2;
(2)x:
=6:5,5 6
5x=
×6,5 6
5x=5,
5x÷5=5÷5,
x=1.