so cac so nguyen x thoa man 15 - |-2x +3|.|5+4x| = -19
So cac so nguyen x thoa man 15 - |-2x+3|.|5+4x| = -19 la
So cac so nguyen x thoa man : 15 - | -2x + 3 |.|5 + 4x |= -19 la
so cac so nguyen x thoa man 5-2x+3.5+4x=-19
Giup mk nua nhe
Tim tong cac so nguyen x thoa man : - 20_< X < 15
Cai dau _< la nho hon hoac bang day
Tim cac so nguyen x thoa man
A)/2x-2/=x+18. :-) B)/2x-8/+4x=16
Cho bieu thuc A = 3/n-2
a) Tim cac so nguyen n de bieu thuc A la phan so
b) Tim cac so nguyen n de A la mot so nguyen
Cac giup minh nhe minh dang can gap.
tim cac so nguyen duong x,y thoa man 2x+3y=14
So cac so nguyen x thoa man -2x+3=7