Các câu hỏi tương tự
Tim x biet:|x2 -5x +4| = 5x-x-4
Tim x
|x+1|.(x-2)=2
5x+6y=48
|x|+3.|y|=4
Tim x
10-2.x=25-3x
4.x-(3+5x)=14
|5x-12| < hoặc = 13
tim x
a, 5x-9=2x+15
b, 2 .(x-3)-4(x+4)=3.(-7) + 5
tim x
( 3 - 2x ) . (1/3 -1/2 ) ^ 2 + 4 . ( 7 - 5x ) = 9 - 2x
Tim x
(x+3) x (5x-20) = 4-x
tim x nguyen biet:
a 8.(x mu 2 +3).(5-x)
b)(2x + 1)mu 2=25
c) (1-3x)mu3 =64
d)(4-x)mu3 =-27
e) xmu2 -5x =0
tim xthuocN biet
5x^2-5=2^3.3.10
4(x-2)^3+36:3^2=581
12.3^x+24=340
4.7^x-5^4=2^2.5.23
Tim x
(x+3) x (5x-20) = 4-x
can gap