X= -4y let this be equation 1
x+5y=2 let this be equation 2
substitute equation 1 in 2
-4y + 5y = 2
y=2
substitute the value of y in equation 1
x= -4y
x= -4(2)
x= -8
Answer:
2x=y
Step-by-step explanation:
Since x is half of y, 2x=y
Hope this helps :D
Answer:
30
Step-by-step explanation:
-1 or option c is correct. Use the given functions to set up and simplify f(−2).