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18-01-2017
Mathematics

contestada

Solve y=x+8
Y=4x-1
By substitution

Respuesta :

magsters934 magsters934

18-01-2017

x+8=4x-1
+1 +1
x+9=4x
-x -x
9=3x
/3 /3
3=x

Then plug x into y=x+8.
y=3+8
y=11

The coordinates would be (3,11).

Answer Link

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