Answer:The correct answer is D-x/2=45; x=90
Explanation: I just took the test and got a 100%
Answer:
a graph would be needed to answer this question
Step-by-step explanation:
1+8n=13+6n
1+8n=13-6n
-6n
1+2n=13
-1 -1
2n=12
2n divided by 2... 12 divided by 2 = 6... n=6