Question

3x+5=6-(x+1) giai pt nha

Answer 1

\(\Leftrightarrow3x+5=6-\left(x+1\right)\)

\(\Leftrightarrow3x+5=6-x-1\)

\(\Leftrightarrow3x+x=6-5-1\)

\(\Leftrightarrow4x=0\)

\(\Leftrightarrow x=0:4\)

\(\Leftrightarrow x=0\)

Vậy: S = {0}

Answer 2

\(3x+5=6-x-1 =>3x+5=5-x =>3x+5-5+x=0 =>4x=0 =>x=0\)Chúc em học tốt

Answer 3

\(\Leftrightarrow3x+5-\left(6-x-1\right)=0\)

\(\Leftrightarrow3x+5-6+x+1=0\)

\(\Leftrightarrow4x=0\)

\(\Rightarrow x\in R\)