Respuesta :

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Answer: x=3; y=10

Step-by-step explanation:

y= 2x+6 ......eqn 1

2x+y=18.........eqn 2

Substitute y into eqn 2

2x + (2x + 6) = 18

2x + 2x +6= 18

4x+6=18

x=18-6/4

×=3

Substitute x=3 in eqn 1 to get the value of y

y= 2(2)+6

=4+6

y=10

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