\(12+10=20+x\)
\(22=20+x\)
\(x=22-20\)
\(x=2\)
12+10=20+x
22=20+2
vậy x=2
nha bn k nhé mình sẽ k lại
12+10=20+x
=>20+x=12+10
=>20+x=22
=>x=22-20
=>x=2
12+10=20+x
=>20+x=12+10
=>20+x=22
=>x=22-20
=>x=2
12+10=20+x
=>20+x=12+10
=>20+x=22
=>x=22-20
=>x=2
12+10=20+x
=>20+x=12+10
=>20+x=22
=>x=22-20
=>x=2
\(12+10=20+x\)
\(22 \) \(=20+x\)
\(x=22-20\)
\(x=2\)
\(nha!\)
12 + 10 = 20 +x
22 = 20 + x
x = 22 - 20
x = 2
nha e !!!!
12 + 10 = 20 + x
22 = 20 + x
x = 2
12+10=20+x
=>20+x=12+10
=>20+x=22
=>x=22-20
=>x=2
12+10=20+x
=>20+x=12+10
=>20+x=22
=>x=22-20
=>x=2