Các câu hỏi tương tự
giup mik voi tim x biet
1, 5-(3x+6)>-2x+1
2, -7.(x+2)-3x<6-11x
3, (x+1).(x+2)-x.(x+3)<4-x
4, 6-2x>17+(4-x)
tim số nguyên x biết
5/6 = x -1/x
1/2 = x +1/3x
2x -1/3=3x +1/4
4/3=2x-1/x
Tim x, biet:
a) (-5)-(x+5)=3-(2x-5)
b)2(x-3)-3(x-2)=3(x+1)-5(x-2)
C)4(1-2x)=(-3)-3(2+3x)
Giải ngay nhé, chiều mình đi học rồi.
Tim x biet
A, 2x +23x = 625
B, (2^2+4^2) x + 2^4 ×5 ×x =100
C, (3x + 1)^2 = 6^2 + 8^2
D, (7x -11)^3 = 7^2 × 5^2 - 15^2
E, (2x- 1)^4 = 3× (3^2+4^3+2)
tim 2 so tu nhien x va y biet 1) (2x+1)x(y-3)=10 2) (x+1)x(2y-5)=143 3) (3x-2)x(2y-3)=1 4) (x+1)x(2y-1)=12
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 x:
a) (2x - 1)^3 = 8
b) (x - 1)^x+2 = (x - 1)^x + 4
c) 3^x - 1 + 5 . 3^3x -1 =162
d) x - 0,75 : 0,5 = (1/2)^3 .(-1)^6
tim x biet : a,-12/21×x + 3/7=-4/3, b, 2x +-3^2=5/4 , c, 75% x- 2/5=3/10, d, (3x-2)×(x+7)
tim x
a; 4 | 3x - 1 | + | x | - 2 | x-5 | + 7 | x - 3 | = 12
b; 3 |x+4|-|2x+1|-5|x+3|+|x-9|=5