Question

tìm x , biết x + x/3 = 24

 

Answer 1

\(x+\frac{x}{3}=24\)

\(\Rightarrow x\times3+x=72\)

\(x\times\left(3+1\right)=72\)

\(x\times4=72\)

\(x=72\div4\)

\(x=18\)

Answer 2

\(x+\frac{x}{3}=24\)

\(=>\frac{3x+x}{3}=24\)

\(Hay:\frac{4x}{3}=24\)

\(=>4x=24\cdot3=72=>x=72:4=18\)