3.(2x-1)-x.(1-2x)=0
=>3.(2x-1)=x.(1-2x)
=>3.(2x-1)=x.(-1.(-1)+(-1).2x)
=>3.(2x-1)=x.(-1).(-1+2x)
=>3.(2x-1)=-x.(2x-1)
=>3=-x
=>x=-3
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Tìm x, biết
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mình đang rất cần
|x-3| + |y-2x | =0 |x| + 3|2x -x ² | =0 |5x ² -5 | + 4|y-7 | =0 ||x +1 | + |y-5 |=0 |x ² -1| + |y-1| =0 |x-1 | +|x ²-x |=0
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ai giúp mik, cho 10 like VIỆT NAM nói là làm
Bài 3: Tìm x biết:
a. \(2x+10=0\)
b. \(-2x+5=0\)
c. \(4-x=0\)
d. \(2x+1=0\)
e. \(x^2+2=0\)
f. \(2x+x=0\)
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c,/3x-1/=6
d,x(x+2/3)=0
x-(x-1/2)=0
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Tìm x:2x(x-4)-x(2x+3)+22=0
(2x+3)(3x+2)+2(1-3x)(x+1/2)= 1
C=(2x-2)(3x+3)<0
D=(3x+1)(2x-2)>0
E=(1-2x)(2+5x)<0
G=2x-1/3x-1>0
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a, | 5x - 1 | - x = 2x + 3
b, |2x + 1 | + | x - 3 | + | 2x + 3 | = x - 5
c, 2 xy - 3y + 2x + 10 = 0