Both equations are the same angle so you have to create your own equation to solve for x.
4x + 66 = 7x + 15
Subtract 4x to both sides.
66 = 3x + 15
Subtract 15 from both sides.
51 = 3x
Divide.
17 = x
I hope this helps love! :)
Answer:
hope
Step-by-step explanation:
I think the answer might be C i hope this helps you
Answer:
165 cards left
Step-by-step explanation:
x + 221 = 386
-221 from both sides
x = 165