Tìm x, biết: 3x(12x – 4) – 9x(4x – 3) = 30
Tìm x biết:
3x(12x-4)-9x(4x-3)=30
Tìm x, biết :
a) 3x.(12x - 4) - 9x.(4x - 3) = 30
b) x.(5 - 2x) + 2x.( x - 1) = 15
Tìm x,biết
a)3x(12x-4)-9x(4x-3)=30
b)x(5-2x)+2x(x-1)=15
Tìm x, biết:
a) 3x(12x – 4) – 9x(4x – 3) = 30
b) x(5 – 2x) + 2x(x - 1) = 15
Tìm x, biết:
a) 3x (12x - 4) - 9x (4x - 3) = 30;
b) x (5 - 2x) + 2x (x - 1) = 15.
Tìm X a) 3x . ( 12x-4) - 9x . (4x-3)= 30 b) 6 . ( 2x+1) - 5 . ( X-2) = 10
3x (12x -4 )- 9x (4x-3)= 30 . tìm x
Tìm x :
3x(12x - 4) - 9x(4x - 3) = 30