Answer:4 2/3
Step-by-step explanation:
5a-5=7+2+2a (combine like terms; 7+2=9)
5a-5=9+2a (subract 2a from both sides; 5a-2a=3a)
3a-5=9 (add 5 to both sides; 9+5=14, -5+5=0)
3a=14 (divide both sides by 3; 14/3= 4 2/3)
