The sum of -5, -9, and 10 is _______. A. 14 B. -14 C. 4 D. -4
2 answers:
You might be interested in
Answer:
(5,-6) is a solution
Step-by-step explanation:
Given
Required
Tell whether (5,-6) is a solution
In (5,-6): x = 5 and y = -6.
Substitute these values in the given equations
becomes
becomes
Because both solutions are true, then (5,-6) is a solution
check the picture below.
