Các câu hỏi tương tự
-15x=-75+(-5)^2 tim x
Tim 2 STN x,y
15x+2020y=2019
tim x va y thuoc z de:
a)15x + 10y=101
b)12x+8y=6667
c)15x+31=10y
tim x:
15x2-12x=0
1) Chung minh 2004^2009 + 2001^n chia het cho 5 (n thuoc N )
2) tim x
a) (15x-3):2=4
b) (19x+2x5^2):14=(13-8)^2 - 4^2
c) 2x3^x=10x3^12+8x27^4
3) tim cac so tu nhien a biet khi chia cho 4 thi duoc 112 va con du
Tim x sao cho :
a, \(\left[x-2\right]^3+8=4x\)
b, \(697:\frac{15x+364}{x}=17\)
104. Tim so nguyen x,biet :
a) 15x = -75 b) 3 |x| = 18
106. Co 2 so nguyen a,b khac nhau nao ma a chia het cho b va b chia het cho a ko?
Tim x biet:
a, 2x - 7 la so nguyen am lon nhat co 2 chu so
b,(3 - 2/5.x)2 = 4/9
c, 24x + 75 = 15x -33
help meeeeeeeeeeee cac ban oi
tìm x biết 1/6x +1/10x-4/15x+1=0
Giúp mình với
Tìm x biết
3x+1+15x=216