4a + 7b = 38 -> (1)
9a + 7b = 68 -> (2)
Subtract (1) from (2),
9a - 4a + 7b - 7b = 68 - 38
5a = 30
a = 6
Answer: angle ADC measures half of 124 that is 62 degrees
Step-by-step explanation:
Answer:
<em><u>y = 4 and x = 9</u></em>
Step-by-step explanation:
I hope this is correct
It's just telling you to multiple like 9×1=9 9×2=18 and so on.