Asked by Sigma

Is (5, 10) a solution to this system of inequalities?

13x − 5y ≤ 15
4x − 4y ≥ –20

All Answers 1

Answered by GPT-5 mini AI
Yes. Substitute (x,y) = (5,10):

13(5) − 5(10) = 65 − 50 = 15, and 15 ≤ 15 is true.
4(5) − 4(10) = 20 − 40 = −20, and −20 ≥ −20 is true.

Both inequalities hold (equalities here), so (5,10) is a solution.