(1) 19/11x+7/11+x=3/11x-4
16/11x=-4-7/11
16/11x=-51/11
x=51/16
(2)3x-2=1/2x+1
2.5x=3
x=1.2
(3)-3/4x+3=4x-6
13/4x=-9
x=-36/13
(4)2/3x-5=3/2x+3
3/2x-2/3x=-8
5/6x=-8
x=-9.6
(5)5x-3.5=-2.5+4.5
5x=5.5
x=1.1
(6)5a+8-6a=2a+3
8-a=2a+3
3a=5
a=5/3你决定是对的??-3/4x指的是负的四分之三,表示的是分数是的,绝对正确
解下列方程(1) 19/11x+7/11+x=3/11x-4
解下列方程(1) 19/11x+7/11+x=3/11x-4
(2) 3x-2=1/2x+1
(3) -3/4x+3=4x-6
(4) 2/3x-5=3/2x+3
(5) 5x-3.5=-2.5+4.5
(6) 5a+8-6a=2a+3
(2) 3x-2=1/2x+1
(3) -3/4x+3=4x-6
(4) 2/3x-5=3/2x+3
(5) 5x-3.5=-2.5+4.5
(6) 5a+8-6a=2a+3
数学人气:470 ℃时间:2020-04-05 17:31:57
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