Question

Find the value of x? Please help?

Answer 1

Answer:

x=7

Step-by-step explanation:

x+5=3x-9

   +9    +9

x+14=3x

-x       -x

14=2x (divide by 2)

   2

7=x

Check answer:

7+5= 12 (substitue x)

3(7)-9= 12 (substitute x)