x+y=14
x-3y=-2 => x=3y-2
Substitute
3y-2+y=14
You should be able to finish it from here.
Ger R.
asked 01/29/19x+y=14
x-3y=-2 => x=3y-2
Substitute
3y-2+y=14
You should be able to finish it from here.
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