Respuesta :

shamarsimpson11

Answer:Add  15 to both sides of the equation.  x = − 9 + 15

Add  − 9  and  15 . x = 6

mahmudameher21

Answer:

you can do many ways one would be 3(5x times 3) (hope this helps and please give me brainliest)

Step-by-step explanation:

9 and 15  have a common factor of 3

divide 15x by 3 which is 5x

then do 9 divided by 3 which is 3

then put 3 outside parentheses and put 5x to show 15x and 3 to show the 9