x=3, you can find this by using finding common bases for equation b because 243=3^5. Because of that you can get rid of three on both sides to get the equation 2x-1=5 and then just solve for x to get x=3. For the first equation 5^3=625 so that also proves x=3.
Sorry if my explanation is a little disorganized if you need more help feel free to ask
Answer:
13
Step-by-step explanation:
(3 times 2)+7=x
6+7=x
x=13
Answer:I don’t know
Step-by-step explanation:
:/
Answer:
C. 15
Step-by-step explanation:
You just need to add the number of dots, hoped this helped and was fast enough
