Answer:
Step-by-step explanation:
9°
-6 + 15 = 9
-10 ( y-4) + 3y = 5 <--- substitute the value of x into first equation
-10y + 40 + 3y = 5
-7y + 40 = 5
-7y = -35
y= 5
x = 5 - 4
x = 1
C4,1 because I solved it and it showed me
