Given the following question:
[tex]\begin{gathered} 5x+15+2x=24+4x \\ \end{gathered}[/tex][tex]\begin{gathered} 5x+15+2x=24+4x \\ 5x+2x+15=24+4x \\ 5x+2x=7x \\ 7x+15=24+4x \\ 15-15=0 \\ 24-15=9 \\ 7x=4x+9 \\ 4x-4x=0 \\ 7x-4x=3x \\ 3x=9 \\ 3x\div3=x \\ 9\div3=3 \\ x=3 \end{gathered}[/tex]Your answer is option D.
