Step-by-step explanation:
fjmfplfpefpı6j6jefkıbnkfeknkefekfekffn
Answer: 4=-2x -1 and y=-1 2x
You can look it up on Math.com or some kind of math website. There are plenty of options. Also, there are practice tests that you can take to see if you understand the subject.
Answer:
512
Step-by-step explanation:
each number is a sum of the two numbers in the row above it.
Answer:
-44
Step-by-step explanation:
(-4+1)+(10-51)
-4+1+10-51
-3-41
-44