You should also try wolframalpha.com it can also help u. Just send this exact picture and then they'll help you
hope this helps
Answer:
63 degrees
Step-by-step explanation:
add 4x + 23 and 6x + 7, then equal that to 130. When you find x, plug it into 4x+23 and get 63.
Answer:
7-9
Step-by-step explanation:
Sebastian goes up from 0 by 7 floors. Then, he goes down by 9.
X > 90 idk if thats what u mean or not
