x - 1/3 = 1/4 . x
-1/3 = 1/4 .x -x
-1/3 = x . [1/4 -1 ]
-1/3 = x . -3/4
x . -3/4 = -1/3
x = -1/3 ; -3/4
x = 4/9
x - 1/3 = 1/4 . x
-1/3 = 1/4 .x -x
-1/3 = x . [1/4 -1 ]
-1/3 = x . -3/4
x . -3/4 = -1/3
x = -1/3 ; -3/4
x = 4/9
7. 4x+1+ 4x+1= 128
Tìm x
Help me!
Tìm x
4× (x+3)= 2 ×(x+1)+20
Help me please nhanh, đúng thì tick nha
tìm x
2(x-3)-(x-4)=15
1/2x-3/4(x-4/5)=-1/1/2 (hỗn số ạ đừg nhầm)
Giúp mk vs mai nộp rồi
Ai làm đc mk tick cho okk help me, please
a)(1/2+1)x(1/3+1)x(1/4+1)x...x(1/999+1)
b)(1/2-1)x(1/3-1)x(1/4-1)x...x(1/1000-1)
c)3/22 x 8/32 x 15/42 x .... x 99/102
help me please
1. tính:
A) 5/13 . 3/4 + -3/4 . 2/13 - -3/4 . -10/13
help me please
1/1+2+3+1/1+2+3+4+...+1/1+2+3+...+59<2/3
Help me, please!
-13 / 3 . ( 1 / 2 - 1 / 6 ) <hoặc = x < hoặc = 2 /3 . ( 1 /3 - 1 / 2 -3 / 4 )
help me ... please
ai nhanh mik tick cho nha
làm đúng nha :)))
......... !!!!!!????
tinh tich p= (1-1/2).(1-1/3).(1-1/4)......(1-1/99)
please help me!!!!!!!!!
1 + 2 + 3 + ..... + x = 150
please, help me!!!!!!!!