Tmforsyth2007 Tmforsyth2007

22-03-2021
Mathematics

contestada

х+ Зу = 10
2x + 2y = 12
Help

Respuesta :

kaitlintan8 kaitlintan8

23-03-2021

Answer:

x=4, y=2

Step-by-step explanation:

set both equations even

( x+3y=10 ) 2

= 2x+6y=20

2x+2y=12

subtract

4y=8

y=2

plug back in for x

2x + 2(2) = 12

2x + 4 = 12

2x = 8

x=4

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