Answer:
=6x−18
Step-by-step explanation:
[tex]x = 3[/tex]
[tex](2x-6)+4(x-3) = 0\\ 2x-6 + 4x - 12 = 0\\ 6x - 18 = 0\\ 6x = 18 \\ x = \frac{18}{6} \\ x = 3[/tex]