问题
解答题
解方程 (1)
(2)
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答案
(1)原方程可化为:
-1.5x-0.3 0.6
=1,0.5x+0.1 0.6
=1,1.5x-0.3-0.5x-0.1 0.6
x-0.4=0.6,
x=1;
(2)原方程可化为:
(2x+2)-1 3
x=1,1 2
2(2x+2)-3x=6,
4x-3x=6-4,
x=2.
解方程 (1)
(2)
|
(1)原方程可化为:
-1.5x-0.3 0.6
=1,0.5x+0.1 0.6
=1,1.5x-0.3-0.5x-0.1 0.6
x-0.4=0.6,
x=1;
(2)原方程可化为:
(2x+2)-1 3
x=1,1 2
2(2x+2)-3x=6,
4x-3x=6-4,
x=2.