Answer:
X = 40
Explanation: (2x) = 80
80/2 = 40
X = 40 degrees
A = 11 and b = 8 I’m pretty sure brosky
3a + a - 15 = 225 . your substituting b(a-15) into the first equation. <span />
Answer:
a=-5
Step-by-step explanation:
subtract 3 from both sides
15=-3a
divide by -3
a=-5