Tim x thuoc z, biet :(3x+7) chia het cho (x+2)
giup mik vs
tim x biet : 25%x - 7/8 + x = 2/3x
tim x biet:
a,10-2(4-3x)=-4
b,-12+3(-x+7)=-18
tim x,biet:
(3x-7)x=32
tim x biet : a,-12/21×x + 3/7=-4/3, b, 2x +-3^2=5/4 , c, 75% x- 2/5=3/10, d, (3x-2)×(x+7)
tim so tu nhien x biet 7 chia het cho 3x tru 2
tim x , y thuoc Z biet
a , 3x-xy+6y=4
b,x^2-3xy=2x-6y=7
Tim so nguyen x, biet :
a/ -24 + (x + 4)^4 = 10^3
b/ 2.(x + 7) - 3.(6 - x) = -24
c/ 3x - 6x^2 = 0
giup mik voi tim x biet
1, 5-(3x+6)>-2x+1
2, -7.(x+2)-3x<6-11x
3, (x+1).(x+2)-x.(x+3)<4-x
4, 6-2x>17+(4-x)