\(2x-1=4x+3\)
\(4x-2x=-1-3\)
\(2x=-4\)
\(x=-\dfrac{4}{2}\)
\(x=-2\)
Vậy \(x=-2\)
`2x-1 = 4x + 3`
`=> 2x - 4x = 1 +3`
`=> -2x = 4`
`=> x = 4 :-2`
`=> x = -2`
=>2x - 4x = 3 + 1
=> -2x = 4
=> x= 4: (-2)
=> x= -2
\(2x-1=4x+3\)
\(4x-2x=-1-3\)
\(2x=-4\)
\(x=-\dfrac{4}{2}\)
\(x=-2\)
Vậy \(x=-2\)
`2x-1 = 4x + 3`
`=> 2x - 4x = 1 +3`
`=> -2x = 4`
`=> x = 4 :-2`
`=> x = -2`
=>2x - 4x = 3 + 1
=> -2x = 4
=> x= 4: (-2)
=> x= -2
1abc/abc dư 3tim abc
tìm x,biết:
a)||2x-3|-x+1|=4x-1
b)||5-2x|+x-3|=4x+2các bn giúp mik vs,mik đang cần gấp
x^2+2x=0
x^3-4x=0
3x+4x chia hết cho x+1
(2x+1).(y-3)= -10
B) 17X - ( -16X - 37 ) + 2x + 43
C) -2x -3.( x-17) = 34 -2 (-2x +25)
D) 17x+ 3. ( -16x -37) = 2x +43 -4x
E) {- 3x +2. [45 - x-3 (3x + 7) - 2x] + 4x} =55
F) -103 - 57 : [ -2 ( 2x -1 )2 - ( -9 )0 ] - 106
G) -2x + 3. { 12-2 [ 3x - ( 20 + 2x ) - 4x ] + 1} = 45
1,-15(x+2)+7(2x-3)
2,x^2+2x=0
3,(-2x)(-4x)+28=100
4,(2x-5)^2-49=0
5,/x-5/+/y-3/=1
6,3×(x-2)-6(x-5)=2(5-2x)
7, 5x ×(-x)^2+1=0
8,4x^3=4x
Tìm x thuộc Z
a) 2x chia hết cho ( x + 3 )
b) ( 4x+3 ) chia hết cho ( x - 1 )
c) ( 2x + 1 ) . ( 4x - 2 ) > 0
tìm x
(2x-1).(2x+1)-(4x+3).(x-2)=3x-1
tìm x
a,-2x-(x-17)=34-(-x+25)
b,17x-(-16x-37)=2x+34
c,-2x-3.(x-7)=34-2(-x+25)
d,17x+3.(-16x-37)=2x+43-4x
e,-2x+3.{12-x[3x-(20+2x)-4x]+1}=45
Cho 2 đa thức : P(x) = x^5 - 2x^2 + 7x^4 - 9x^3 - 1/4x ; Q(x) = 5x^4 - x^5 + 4x^2 - 2x^3 - 1/4
Tính : P(x) + Q(x) và P(x) - Q(x)
Cho 2 đa thức : P(x) = x^5 - 2x^2 + 7x^4 - 9x^3 - 1/4x ; Q(x) = 5x^4 - x^5 + 4x^2 - 2x^3 - 1/4
Tính : P(x) + Q(x) và P(x) - Q(x)