Moorextra345id
Answered

Tell whether the given ordered pairs is the solution of the given system:
(3, 0)

5x – y = 15
7x + y = 21

Sagot :

Mlcparra16id
5x - y = 15
5(3) - 0 ≟  15
15 - 0 ≟  15
15 = 15  TRUE

7x + y = 21
7(3) + 0 ≟  21
21 + 0 ≟  21
21 = 21  TRUE

Therefore it is a solution.