Question

What is one of the solutions to the following system of equations?

y2 + x2 = 65
y + x = 7

Answer 1

y2+ x2 =65
y + x = 7
y = 8 and x = -1
8 + -1 = 7
8 squared is 64 and -1 squared is 1
64 + 1 = 65

8² + -1² =65
y² + x² = 65

Answer 2

The answer is (8,-1)