Answer:
35
Step-by-step explanation:
Answer: 79 degrees
4x+1 + 3x+4 = 180
7x + 5 = 180
7x = 175
x = 175:7 = 25
m8 = 3x + 4 = 3*25 + 4 = 79
<u>Multiplying both sides by 2</u>
<u>Subtracting 36 to both sides</u>
<u>Dividing both sides by 4</u>
OR