-2/3-1/3×(2x-5)=3/2
=>1/3×(2x-5)=-13/6
=>2x-5=-13/2=>2x=-3/2=>x=-3/4
Các câu hỏi tương tự
Tim x, biet:
a) (-5)-(x+5)=3-(2x-5)
b)2(x-3)-3(x-2)=3(x+1)-5(x-2)
C)4(1-2x)=(-3)-3(2+3x)
Giải ngay nhé, chiều mình đi học rồi.
tim x thuộc N
a 2+4+6+...+2x=210
b 1+3+5+...+[2x-1]=225
c 1+2+3+...+x=278
d 1+3+5+...+[2x-1]=169
Tim x
a,(2x-3) .(6-2x)= 0 b,x:3/4+1/4=2/3 c,-2/3-1/3.(2x-5)=3/2
1)a)2x-13=25+6x
b)12-x=3x+6
c)40-(25-2x)=x
d)|x-3|=5
e)|x-3|+(x+2)+(x+1)=12
2)tính
a)(-1).(-2).(-3).(-4).(-5).[(-3)-(-5)]
b)1-2+3-4+5-6+...-98+99
3)tim x
a)(x-1).(y-2)=5
b)x.(y-3)=12
Tim x biet
A, 2x +23x = 625
B, (2^2+4^2) x + 2^4 ×5 ×x =100
C, (3x + 1)^2 = 6^2 + 8^2
D, (7x -11)^3 = 7^2 × 5^2 - 15^2
E, (2x- 1)^4 = 3× (3^2+4^3+2)
Tim x
x-3/ x-5=[-3/5] 2
x-2/3=3-2x/22
Tim x.
3/1/5-x=1/3/5+x
2/3x-1/2x=5/12
tim x
a)5x+1=125
b)52x+3-2*52=52*3
Tim x
1/ | x+15| =7
2/ 2. | x-5| =8
3/ 3. |2x-7|= 9