\(-\left(x+12\right)=-24\)
\(-x-12=24\)
\(-x=24+12\)
\(-x=36\)
\(x=-36\)
Vậy x = -36
\(-\left(x+12\right)=-24\)
\(-x-12=24\)
\(-x=24+12\)
\(-x=36\)
\(x=-36\)
Vậy x = -36
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
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
a) 14 - 3x = -x + 4
b) x - 12 = (-9)- (-15)
c) 16 - \(|\)5 - 2x \(|\)= 9
Tim cac so nguyen x, biet:
1. -10<x<-5
2. -4<hoac= x <hoac=3
3. n+9<x<hoac=n+12
4. n+15<x<n+15
5. x<-9 va x<9
6. |x|=|10|
7. |x|=20 va x>0
8. |x|=-100
9. |-5|+|-9|+x=14+|12|
10. 8+x=|-8|+20
a, Tim so tu nhien x, y biet rang 4<9/x<12/y<18
b, Tim so nguyen x, y biet rang x/2 - 2/y = 1/2
tim x biet
11-(15+11)=x-(29-9)
tim x biet
a, 25-(30+x)=x-(27-8)
b,(x-12)-15=(20-7)-(18+x)
tim x biet
1/3x+2/5(x-1)=4
1/2-1/3:3x0-=5
tim stn nho nhat chia cho 5, cho 7, cho 9 co so du theo thu tu la 3;4;5
Tinh tong: 1-5/6+7/12-9/20+11/30-13/42+15/56-17/12+19/90
tim x biet 15<x<20
270+x+99 chia het cho 9