Respuesta :

Answer:

x=7

Step-by-step explanation:

Answer:

7

My Logic:

If you work backwards to simplify the eqation you can get x

take 5x-7=28 and add 7 to  both sides. so now the eqaton looks like this: 5x=35. next you divide 5 into both sides and you will get 7!

Hope this helps!