Answer:
A
Step-by-step explanation:
your answer is 100 <3 have a nice day
first is -3, second number is 0
you have two equations x+3=y and 4*x+12=5*y
Use the first one and write y in terms of x in the second equation:
4*x+12=5*(x+3)
4*x+12=5*x+15
12=5*x-4*x+15
12=x+15
x=-3
