Answer:
47
Step-by-step explanation:
Hope this helps. Let me know if you have any questions.
-4x +12 -12 = -4 -12
-4x = -16
x = 4
Answer:
Answer choice C) 3a-3
Step-by-step explanation:
Your perimeter is of (10a-6). The first step would be multiply 2a by 2 since you have to sides. Which would give you to 4a. Next you will have to subtract 4a from (10a-6). This would give you 6a-6. Finally divide by two and you will get 3a-3.