sbap61304 sbap61304
  • 23-07-2021
  • Mathematics
contestada

How do I solve this

How do I solve this class=

Respuesta :

cnadhim081004 cnadhim081004
  • 23-07-2021
The awnser is (-1, 3)
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Аноним Аноним
  • 23-07-2021

Answer:

x = -1 y = 3

Step-by-step explanation:

x = 2y-7

2x + 3y = 7

Substitute x =2y-7 in 2y + 3y = 7

2(2y-7) + 3y = 7

4y-14+3y = 7

7y - 14 = 7

7y = 7 + 14

7y = 21

7y/7 = 21/7

y = 3

Substitute 3 for y in x = 2y-7

x = 2(3) - 7

x = 6 -7

x = -1

Answered by Gauthmath

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