Question

Solve: 3(2x - 5) = 6x - 15

Answer 1

$3(2x-5)=6x-15$

$3(2x-5) :$

$6x-15 = 6x-15$

add 15 to both sides:

$6x-15+15=6x-15+15$

$6x =6x$

subtract 6x from  both sides:

$6x-6x=6x-6x$

$0=0$

Both sides are equal : true  for all x

Answer D

hope this helps!