2/5+3/5.(3.x-3,7)=-53/10
1 (3x-3,7)= -53/10
3x-3,7= -53/10
3x= -53/10+3,7
3x=-8/5
x=-8/5:3
x=-8/15
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
B, 2/5 + 3/5 . ( 3 x - 3,7 ) = - 53/10
c, / x / - 3 /4 = 5 /3
d, / 2 x - 1/3 / + 5/6 = 1
A)2/5+3/5.(3.x-3,7)=-53/10
b)7/9:(2+3/4.x)+5/9=23/27
c)|2.x-1/3|+5/6=1
tim x
2/5+2/5.(3.x-3,7)=-53/10
7/9 / (2+3/4.x)+5/9=23/27
Tìm x biết:
2/5 + 3/5.(3x - 3,7) = -53/10
7/9 : (2+3/4x)+ 5/9 = 23/27
-2/3 . x + 1/5 = 3/10
|x| - 3/4 = 5/3
|2x- 1/3| + 5/6 = 1
a) 2/3+1/3:x=3/5
b) 10/3x +67/4=-13,25
c) x+30℅x=-1,3
d) (14/5x -50):2/3=51
e) 2/5+3/5.(3x-3,7)= -53/10
f) 2/3x -3/2x =5/12
a) 2/3 x -3/2 x =5/12
b)2/5 + 3/5.( 3x -3,7) =-53/10
c) 7/9 : ( 2 +3/4 x) + 5/9 = 23/27
d) -2/3 x + 1/5 =3/10
e) |x| - 3/4 =5/3
F) |2x - 1/3| + 5/6 = 1
a) 2/5 + 3/5 . ( 3x - 3,7 ) = -53/10
b) 7/9 : ( 2 + 3/4x ) + 5/9 = 23/27
2/5+3/5.(3x-3,7)=-53/10
Giải hộ mik nha.Cảm ơn
Bài 1 : Tìm số x biết :
a) 2/3.x-3/2.x=5/12
b)2/5+3/5.(3x-3,7)= -53/10
c)7/9:(2+3/4x)+5/9=23/27
d) -2/3.x+1/5=3/10
e) |x|-3/4=5/3
f) |2x-1/3|+5/6=1