1.若(3x+4y-1)^2+|3y-2x-5|=0则x=
1个回答
(1)
由已知,得
3x+4y-1=0
3y-2x-5=0
解,得
x=-1 y=1
答案A
(2)
等式两边同时乘以2,得
(2*x)/3-y=2
移项,得
y=(2*x)/3-2
应该选C
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