Answer:
C
Step-by-step explanation:
The first sentence → x - 2y = -1
the second one → 3x - 2y = -3
multiply the first one by -1
you can get → -x + 2y = 1
plus two sentences together
you can get → 2x = -2
so you are able to know that x = -1
and y = 0
Answer:
45 is the father's age
Step-by-step explanation:
Guess this is how it should look like, not sure what the instructions on drawing an x through the segments mean, but hope this helps!