Question

find the value of x2-y
if (x + 2, 4) = (5, 2x + y).​

Answer 1

Answer:

x +2 =5 so x=3

4= 2x +y so y =-2

x²-y = 3² -(-2) =11

Answer 2

Answer:

11

Step-by-step explanation:

x^2-y=?

(x+2,4)=(5,2x+y)

x+2=5

x=3

2x+y=4

2(3)+y=4

6+y=4

y=-2