4) -3x – 2y = -17 9x + 2y = 23 A) (1,7) B) (10, 7) C) (5, 7) D) (-7,7)

asked Nov 25, 2022 185k views

8 votes

4) -3x – 2y = -17
9x + 2y = 23
A) (1,7)
B) (10, 7)
C) (5, 7) D) (-7,7)

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6 votes

Answer:

A). (1, 7)

Explanation:

-3x – 2y = -17

9x + 2y = 23

____________+

6x = 6

x = 6/6

x = 1

9x + 2y = 23

9(1) + 2y = 23

9 + 2y = 23

2y = 23 - 9

2y = 14

y = 14/2

y = 7

Mportes answered Nov 30, 2022

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