Which ordered pair is the solution to the system of equations? y= 2x – 15 4x + 3y = -5 A. (7, – 11) B. (0, 6) C. (4, - 7) D. (5 - 5)

Question

asked Jul 25, 2022 198k views

1 Answer

Giorgos Altanis · Answer 1 · 2022-07-31T01:03:30+0000

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Answer:

C. (4, -7)

Explanation:

The first equation gives an expression for y that can be substituted into the second:

4x +3(2x -15) = -5

10x -45 = -5

10x = 40

x = 4 . . . . . . identifies C as the appropriate choice

y = 2(4) -15 = -7 . . . . confirms the choice