Question

giải pt 3x-5>x+1

Answer 1

\(3x-5>x+1\)

\(\Leftrightarrow3x-5-x-1>0\)

\(\Leftrightarrow2x-6>0\)

\(\Leftrightarrow2x>6\)

\(\Leftrightarrow x>3\)

Answer 2

\(\Leftrightarrow3x-5-x>x+1-x\)

\(\Leftrightarrow2x-5>1\)

\(\Leftrightarrow2x-5+5>1+5\)

\(\Leftrightarrow2x>6\)

\(\Leftrightarrow x>3\)

Answer 3

x>3