Các câu hỏi tương tự
3x+1+3x+2-2x3x=270 tìm x
Tìm x
a) -3 1/2 : (4/5-1/2x) = 2^2
b) 2x + 3x = 5
c) -2/3x - 1/3x = -2
d) -2/3 (x+1) - 1/2 = -1/3
1/Tìm x,biết:
a)x+(x+1)+(x+2)+(x+3)+...+(x+99)+(x+100)=5555
b)1+2+3+4+...+x=820
c)3(x+1)=9.27
d)x+2x+3x+...+99x+100x=15150
e)(x+1)+(x+2)+(x+3)+...+(x+100)=205550
f)3x+3x+1+3x+2=351
Tìm x; biết: 3x + 3x+1 + 3x+2 + 3x+3 = 1080
3x + 3x+1 + 3x+2 = 117
\(\left(3x-1\right)^3=25.\left(3x-1\right)\)
\(\left(3x-14\right)^3=2^5.5^2+200\)
2/2/3x + 1/1/3x = 2/3
Tìm x :
-1/2 . ( 1 - 3x ) - 1/2 = 3x - 1
CMR (x^2+3x)^2+2(x^2×3x) =(x^2+3x+1)^2
3 x +3x+1+3x+2+3x+3=29160