Trl: (Tìm x)
a) \(4x-7=3x-\left(-5\right)\)
\(4x-7=3x+5\)
\(4x-3x=5+7\)
\(x=12\)
Vậy \(x=12\)
b) \(3\left(x-1\right)=-x-12\)
\(3x-3=-x-12\)
\(3x+x=-12+3\)
\(4x=-9\)
\(\Rightarrow x=\frac{-4}{9}\)
Vậy \(x=\frac{-4}{9}\)
#HuyenAnh
Trl: (Tìm x)
a) \(4x-7=3x-\left(-5\right)\)
\(4x-7=3x+5\)
\(4x-3x=5+7\)
\(x=12\)
Vậy \(x=12\)
b) \(3\left(x-1\right)=-x-12\)
\(3x-3=-x-12\)
\(3x+x=-12+3\)
\(4x=-9\)
\(\Rightarrow x=\frac{-4}{9}\)
Vậy \(x=\frac{-4}{9}\)
#HuyenAnh
So cap (x,y) thoa man :
(y + 1)(xy - 1)=3
tik ai co cau tra loi dung nhat va nhanh nhat !!!
Cho S = 1/3 + 1/5 + 1/7 + ... + 1/101
Chung to rang S khong phai la so tu nhien
Ai tra loi nhanh nhat va dung nhat thi minh se tick va ket ban nha!!!
B=3/1*4+3/4*7+3/7*10+....+3/27*30
minh se tk cho ban nao tra loi nhanh nhat va dung nhat
sơ cấp xy nguyên thỏa mãn (x+1).(ý+2)=7
nguoi nao tra loi nhanh nhat minh se tich cho
1. (7.x-15):3 = 2
2.12.(x+37=504
3. 85-3.(7+x)=64
cam on nhung ban nao giup to tra loi nhanh nhat va dung
phan qua la 1 tick nhe
so chinh phuong lon nhat co 3 chu so la:........?
(ai tra loi dung nhanh nhat minh tick cho 2 cai lun)
tim so tu nhien biet : 5x-1 -13 = 612
5 ban tra loi nhanh nhat minh se cho TICK
Tim x biet: 1+2+3+...+x=55
Ai tra loi nhanh nhat mik k cho
lm cko mk xin bai nay nha, gap lm lun:
a. -4 < x < 5
b. -7 < x < 7
c. -7 < x <
lm chi tiet cho mk xin nha 1 like cho 3 bn tra loi dung va nhanh nhat :V