Answer:
(x, y) =(-1, - 1)
Step-by-step explanation:
-Substitute the value of x
-solve the equation
-Substitute the value of y
-check the possible solution
-check solution
-simplify
Answer: The answers are in the steps.
Step-by-step explanation:
A) 4
= 9/2 * 13 = 117/2
B ) 13 ( 58 + 1/2)
= 754 + 6.5
= 760.5