theylovearii24
theylovearii24 theylovearii24
  • 05-02-2018
  • Mathematics
contestada

please help solve. solve with elimination what does x & y=?

please help solve solve with elimination what does x amp y class=

Respuesta :

garydesir1
garydesir1 garydesir1
  • 05-02-2018
Hello there!

5y - 4x = -7
2y + 4x = 14

We cancel -4x and 4x

5y + 2y = -7 + 14

7y = 7

y = 7/7

y= 1

Use the second equation to find x

2y + 4x = 14

2(1) + 4x = 14

2 + 4x = 14

4x = 14 - 2

4x = 12

x = 12/4

x = 3

Thus, the answer is x=3 and y=1

As always, I'm glad to be your helper today!
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