Các câu hỏi tương tự
Tìm x, biết: 2.(x-1) - 3.(2x+2) - 4.(2x+3)=16
Tìm x biết 2(x-1)-3(2x+2)-4(2x+3)=16
Tìm x nguyên biết (3/2)^2x-1=(3/4)^5x-4; 16/2x=2
Tìm x biết
2(x-1)-3(2x+2)-4(2x+3)=16
Tìm x, biết :
a, 2(x-1) - 3(2x+2) - 4(2x+3)=16
1)Tìm x biết
2(x-1)-3(2x-2)-4(2x+3)=16
tìm x biết 2(x-1)-3(2x+2)-(2x+3)=16
Tìm x biết :
a, 4.(18 - 5x) - 12.(3x - 7) = 15.(2x - 16) - 6(x + 14)
b, 5.(3x + 5) - 4.(2x - 3) = 5x + 3.(2x + 12) + 1
c, 2.(5x - 8) - 3.(4x - 5) = 4.(3x - 4) + 11
d, (3x + 2)(2x + 9) - (x + 2)(6x + 1) = (x + 1) - (x - 6)
e, (8x - 3)(3x + 2) - (4x + 7)(x + 4)= (2x + 1)(5x - 1) - 33
1.Tìm x biết:
a) 7x+2+7x+1+7/57=52x+52x+1+52x+3/131.
b) (4x-3)2=(4x-3)3.
c) |5(2x+3)|+|2(2x+3)|+|2x+3|=16.
d) |x2+|6x-2||=x2+4.
2.Tính tỉ số A/B,biết:
A=1/2+1/3+1/4+...+1/2007+1/2008+1/2009.
B=2008/1+2007/2+2006/3+...+2/2007+2/2008.