2.(3x+1)=512
=>3x+1=512:2
=>3x+1=256
=>3x=256-1
=>3x=255
=>x=255:3
=>x=85
2.(3x+1)=512
=>3x+1=512:2
=>3x+1=256
=>3x=256-1
=>3x=255
=>x=255:3
=>x=85
2.(3x+1)=512
=>3x+1=512:2
=>3x+1=256
=>3x=256-1
=>3x=255
=>x=255:3
=>x=85
\(2.\left(3x+1\right)=512\)
\(6x+2=512\)
\(6x=512-2\)
\(6x=510\)
\(x=85\)
2.(3x+1)=512
3x+1=512:2
3x+1=256
3x=255
=> x= 255:3
x=85
Bạn ủng hộ mik nha
thank you very much
2.(3x+1)=512
6x+2= 512
6x=512-2
6x=510
x=510:6
x=85
tk nhé
