Các câu hỏi tương tự
Tim x biet 2(|x-1|+x-4/5)=2x-2/5
tim x biet : 2^3x+2 = 4^x+5
tim x biet |2x+3|-2|4-x|=5
tim x biet : 4-|x-1/5|=-1/2
tim x biet: |x-3|+|5-x|+2|x-4|=2 AI GIAI GIUP MINH VOI
1)tim x biet rang:
a)3^x-1=1/243
b)2^x+2^x+3=144
c)81^-2x.27x=9^5
2)tim tiep so ghang thu 5 cua day so sau:-1/a^2;2/a^3;-6/a^4;24/a^5;...
3)tim so tu nhien x biet :
a)4^x+4^x+3=4160
b)2^x-1+5.2^x-2=7/32
tim x biet 5/4*(x-8)=-5/3(14-1/2)
tim x biet (2x-3)^2-4(x+1)^2=5
Tim x, y nguyen biet: 5-y^2= 4(x-2016)^2