Các câu hỏi tương tự
bai1
tim x biet rang tong cua 4 so
x; (-5);7 va (-15)=1
bai 2
tim so nguyen a biet
a] |a-15|=0
b] |a+7|=2
nhanh minh dang gap minh like
B1:tim cac so nguyenx,y biet:
X,y + 2.x- 3y= 11
B2 tim x biet
A -15.(x+2)+7.(2x-3)=(-5) . (+10)
Giai gap minh nhe
tim x biet
2.x-15=4.x+25
Tim x, biet:
1) -5.(2-x)+4.(x-3)=10.x-15
2) 2.(7x-14)-7.(3x-5)=28
3) 17+x=7+6.x
4) 4.!x-2!=8
5) 4.x-5.(-3+x)=7
mik dag gap lam tra loi nhanh va chi tiet giup mik
tim x biet
X+35=-22-X
(6X-4^2) .7^8=2.7^9
5.3^x-1-7.3^12=8.3^12
3.(x-15)^3=-24
lx+18l=10
tim so nguyen x biet :
x - 5 :. x + 2 2x + 10 :. x- 4
5.x + 3 :. x - 2
tinh tong x biet : - 5 < x < 7 ; - 15 < x < 15
tim x,biet
a, 1-[15+11] = x-[25-9]
b,2-x=17-[-5]
c, x-12=[-9]-15
d,9-25=[ 7- x] -[25+7]
Tim x biet
a 2.3^x=162
b 2^x-15=17
c (7.x-11)=2^5.5^2+200
Tim x biet
(x+10+2070+749) chia het cho 7 va -15<x<15