\(\left(3+3\right)x+2=180\)
\(6x+2=180\)
\(6x=180-2\)
\(6x=178\)
\(x=178:6\)
\(x=\frac{89}{3}\)
\(\left(3+3\right)x+2=180\)
\(6x+2=180\)
\(6x=180-2\)
\(6x=178\)
\(x=178:6\)
\(x=29,...=\frac{89}{3}\)
\(\left(3+3\right)x+2=180\)
\(6x+2=180\)
\(6x=180-2\)
\(6x=178\)
\(x=178:6\)
\(x=\frac{89}{3}\)
\(\left(3+3\right)x+2=180\)
\(6x+2=180\)
\(6x=180-2\)
\(6x=178\)
\(x=178:6\)
\(x=29,...=\frac{89}{3}\)
126-2 . (x-1) = 20
120+3. (x-3)=180
(x-1).(5-x)=0
(2x-4).(3x)=0
(3x-9).(10-2x)=0
Giúp e với ạ
2x + 3y = 180 và x=y
3x + 5y = 13 và y = 2x
3x + 5y = 13 và y = x+ 1
x+ y = 90 và x= 2y
tim x :
A)219-7.(x.1)=100
B)(3x-6).3=34
C)3.2x=48
D)5.x2=180
ai nhanh tui cho 3 tk lun
tìm x nhá
a) (3x - 23) . 14 = 98
b) (4x + 5) : 3 = 7
c) (25 - 6x) . 3 - 5 = 7
d) 180 : (x + 2) - 12 = 33
3x+3x+2+3x+2=1080-3x+3
tìm x :
a) (x-5)-27=18
b) (3x-23).25=250
c) 108 \(⋮\)x , 180 \(⋮\)x , 72 \(⋮\)x
a)-4.x=-20
b)x.(-8)=54
c)10.x=-180
d)x.(-4)=-40
e)x.(2-x)=0
g)5.(3x-21)=0
h)8.x(-5-x)=0
i)(8+x).(6-x)
Tìm x; biết: 3x + 3x+1 + 3x+2 + 3x+3 = 1080
CMR (x^2+3x)^2+2(x^2×3x) =(x^2+3x+1)^2