Answer:
Copy all that then paste it to Google and there is a site that I found the answer on but I can't copy it it's to long.
Answer:
Expression II and Expression III
Step-by-step explanation:
4n + 9 + n + 5n = 10n + 9
add 4n + 5n + n = 10n
add the 9 after that which equals 10n + 9 which is equivalent to Expression III
Answer:
y=7(6)^x
xStep-by-step explanation:
Set them equal together. 4x-8=2x+2. Subtract 2x on both sides. 2x-8=2. Add 8 on both sides. 2x=10. Divide 2 on both sides x=5. Check answer!!!
4(5)-8=12
2(5)+2=12
12=12
So answer is x=5!!!!