Answer:
5-9i
Step-by-step explanation:
If you add the 4 and 1 you get 5, and if you add -7i and -2i since they are both negative, they stay negative, so you get -9i. So the answer is 5-9i.
x=7
3(2x - 5) = 9(10 - x)
6x-15=90-9x
6x+9x=90+15
15x=105
.12%
Step-by-step explanation
2.61-2.49= 0.12
Answer: prob 36 or 24