[tex]3(2x-5)=6x-15[/tex]
[tex]3(2x-5) :[/tex]
[tex]6x-15 = 6x-15[/tex]
add 15 to both sides:
[tex]6x-15+15=6x-15+15[/tex]
[tex]6x =6x[/tex]
subtract 6x from both sides:
[tex]6x-6x=6x-6x[/tex]
[tex]0=0[/tex]
Both sides are equal : true for all x
Answer D
hope this helps!