What is x if 6x is equal to 5x+15?

The answer is 15

this is because 6x = x*x*x*x*x*x

and 5x = x*x*x*x*x and you add the 15

now you have x*x*x*x*x*x=x*x*x*x*x+15 and you can cancel out 5 x's on each side

now you have x=15

6x=5x+15

6x=-5x+15

x=15