5(3-x) = 22-12
5.3 - 5.x = 10
15 - 5x =10
5x = 15 -10
5x = 5
x = 1
vậy x = 1
k nha
\(5\left(3-x\right)+12=22\)
\(\Rightarrow15-5x+12-22=0\)
\(\Rightarrow5-5x=0\)
\(\Rightarrow5x=5\)
\(\Rightarrow x=1\)
\(5\left(3-x\right)+12=22\)
\(\Leftrightarrow5\left(3-x\right)=10\)
\(\Leftrightarrow3-x=2\)
\(\Leftrightarrow x=1\)
5(3-x)+12=22
5(3-x)=10
3-x=2
x=1
lam lai
5(3-x)+12=22
5(3-x)=10
3-x=3
x=0
_chúc bạn học tốt_
\(5.\left(3-x\right)+12=22\)
\(5\left(3-x\right)=10\)
\(3-x=10:5\)
\(3-x=2\)
\(x=3-2\)
\(x=1\)
lớp 6???
Ta có :
5(3-x)+12=22
x=3-(22-12):5
x=3-10:5
x=3-2
x=1
5(3-x)+12=22
5(3-x)=22-12
5(3-x) =10
3-x=10:5
3-x=2
x=3-2
x=1
vậy x=1
5 ( 3-x ) + 12 = 22
5 ( 3-x ) = 22 - 12
5 ( 3-x ) = 10
3-x = 10 : 5
3-x = 2
x = 3 - 2
x = 1
k nha mk nhanh nhất đó nhớ k đó
5(3 - x) + 12 = 22
5(3 - x) = 22 - 12
5(3 - x) = 10
(3 - x) = 10 : 5
(3 - x) = 2
x = 3 - 2
x = 1
5(3-x)+12=22
(3-x)+12=22:5
(3-x)+12=4,4
(3-x) =4,4-12
3-x =-7,6
x =3-(-7,6)
x =10,6