Question

3+6x?=15

Answer 1

Why is there a question mark after the ''x''?

Answer 2

Oh that's what number or missing number

Answer 3

Do you mean just 'x'? Like 3 + 6x = 15

Answer 4

3 + 6x = 15
6x = 15 - 3
6x = 12
x = 2

Answer 5

X and in multiplication :D

Answer 6

As in* so like 6 times what

Answer 7

Oh, I see, but lets subsitute in 'x' for that "?" sign, and the solution that i gave you can be used ;)