(2x-15)5=(2x-15)3. tim x
tim x
a. 2x - 13 =19
b. (2x-15)5 = (2x -15)3
tim x thuộc N
\((2x-15)^3=\left(2x-15\right)^5\)
tim x biet
a. (x-3)(x+5)=0
b./9-2x/+x+3=2x+15
c./x+1/+/x-1/=4
Tim X
3) -12 + (2x – 9) + x= 0
4) 11 + (15 - x) = 1
5) 4 - (27 - 3) = x - (13 - 4)
6) 8 - (x - 10) = 23 - (- 4 +12)
7) 105 – 5(10 – 5x) = -20
8) (x -1)(8-2x)(3x+123) = 0
9) (x2 - 25)(x+ 10) = 0
10) x(x2+5) =
tim x
a, 5x-9=2x+15
b, 2 .(x-3)-4(x+4)=3.(-7) + 5
Tim x biet : 67-(15-2x)3=23×5
tim x :-2x-40=(5-x)-(-15+60)
a, 2x . 4 = 128
b, x15 = x 1
c, (2x + 1)3 = 125
d, (x – 5)4 = (x - 5)6
e, x10 = x
f, (2x -15)5 = (2x -15)3
