\(16-5\left(2x+3\right)=1\)
\(\Rightarrow5\left(2x+3\right)=16-1\)
\(\Rightarrow5\left(2x+3\right)=15\)
\(\Rightarrow2x+3=\dfrac{15}{5}\)
\(\Rightarrow2x+3=3\)
\(\Rightarrow2x=3-3\)
\(\Rightarrow2x=0\)
\(\Rightarrow x=0\)
a) \(\dfrac{12}{16}\) = \(\dfrac{-x}{4}\) = \(\dfrac{21}{y}\) = \(\dfrac{z}{80}\)
b) \(\dfrac{1}{3}\) x + \(\dfrac{2}{5}\) ( x - 1 ) = 0
c) ( 2x - 3 )( 6 - 2x ) = 0
d) \(\dfrac{-2}{3}\) - \(\dfrac{1}{3}\) ( 2x - 5 ) = \(\dfrac{3}{2}\)
e) 2 |\(\dfrac{1}{2}\) x - \(\dfrac{1}{3}\) | - \(\dfrac{1}{4}\)
1/2-(3/2x-5^2)=7/16
a) 2x + 5 = 3
b) x phần 30 = 3 phần 10 + -1 phần 15
c) ( x - 1/4 ) : 4/5 = 15/16
d) | 2x - 1/3 | = 2/9
1) x(x-5) +3x=0
2) (2x-15) (3-x)=0
3)12+(3-x) tất cả mũ 3=-15
4)2x(x+2/3)-4x=0
5) 2/3x-3/2x=5/12
6)x-5/3 = 2x+1/4
7) x-1/-2= -8/x-1 ( với x khác 1)
8)1-x mũ 2=15/16
9) -2x mũ 3+ 3=13/4
10)(x-1/2) tất cả mũ 2=16/25
TRÌNH BÀY CÁC BƯỚC RÕ RÀNG
ĐÚNG YÊU CẦU SẼ TICK
Tìm x
a) ( 2x -1)+3/15= 3/2
b) x+ 46/15= 1,5
c) ( -2x +1) + 3/15= 5/3
d) -13/3 -2x -1= 0,6
e) 3x -1/2x = 7/2-3
f) x÷5=6÷7
g) 2x-1/3 = 16/3
Tìm số nguyên x, biết:
1) -16 + 23 + x = - 16
2) 2x – 35 = 15
3) 3x + 17 = 12
4) (2x – 5) + 17 = 6
5) 10 – 2(4 – 3x) = -4
6) - 12 + 3(-x + 7) = -18
a) x3=27, b) (2x-1)3=8,c)(x-2)2=16,d) (2x-3)2=9,e)2x+5=34:32,f)(3x-24.73=2.74
38-2/3*(3x-4)=-5 1/2x-16
-3(2x-1)-5(3x+2)=14
-4(3x+5)+7(-2x-3)=-11
2(-3x+4)+3(x-5)=2(x+6)+1
-5(3x-1)-4(-2x+3)=0
-7(2x-1)+5(3x-4)=-3(x-5)
|x-3|=0
3|x+2|-5=16 cac ban lam nhanh nhe
