tim x nguyen thoa man 2.x/5=4/10
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Tim cac so nguyen x thoa man:2005=|x-4|+|x-10|+|x+101|+|x+990|+|x+1000|
Tim tong cua tat ca cac so nguyen x thoa man -5 <x> 4
Tim x,y nguyen thoa man:
X^4 + y + 4 = y^2 - x^2
tim x nguyen thoa man 1/x=-8/4
\(\dfrac{1}{x}=-\dfrac{8}{4}\\ \dfrac{1}{x}=-2\\ x=-\dfrac{1}{2}\)
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\(x=\dfrac{1.4}{-8}=\dfrac{4}{-8}=\dfrac{1}{-2}\\ \Rightarrow x=-2\)
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tim tap hop cac son nguyen thoa man |x+2|=10
tim cap so nguyen x,y thoa man: |x+4|+|y-2|=3
tim x nguyen biet |x^2-2|+|2-x^2|=28. tim cac gia tri nguyen cua x thoa man la
Tim x nguyen thoa man:
|x-3|+|x-10|+|x+101|+|x+1000|=2004
tim cap so nguyen (x, y)thoa man 2y2= 5-/x-1/