\(x.10+\left(10.2\right)=50\)
\(x.10+20=50\)
\(x.10=50-20\)
\(x.10=30\)
\(x=30:10\)
\(x=3\)
x + 10 + ( 10 x 2 ) = 50
x + 10 + 20 = 50
x + 10 = 50 - 20
x + 10 = 30
x = 30 - 10
x = 20
x.10+(10.20)=50
=>x.10+20=50
=>x.10=50-20
=>x.10=30
=>x=30:10
=>x=3
x . 10 + ( 10 . 2 ) = 50
x . 10 + 20 = 50
x . 10 = 50 - 20
x . 10 = 30
x = 30 : 10
x = 3
\(\text{x . 10 + ( 10 . 2 ) = 50}\)
\(x.10+20=50\)
\(x.10=50-20\)
\(x.10=30\)
\(x=30:10\)
\(x=3\)
x . 10 + ( 10 . 2 ) = 50
x . 10 + 20 = 50
x . 10 = 50 - 20
x . 10 = 30
x = 30 : 10
x = 3
x+10+(10.2)=50
x+10+20 =50
x+30 =50
x=50-30
x=20
vay x=20
x . 10 + ( 10 .2 ) = 50
10 . ( 2 + x ) = 50
2 + x = 50 : 10
2 + x = 5
x = 5 - 2
x =3
x +10 + ( 10 . 2 ) = 50
10 . ( x + 2) = 50
( x + 2) = 50 : 10
( x + 2) = 5
x = 5 - 2
x = 3