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Anonymous Anonymous
  • 30-06-2016
  • Mathematics
Answered

Solve for x and y.
3x+y=13
6x+2y=26

Verified Answer :

rudyrocks120 rudyrocks120
  • 30-06-2016

Okay, this is a case of substitution: 
3x + y = 13 correct?
-3x         -3x
So: y = 13 - 3x
So: 3x +(13-3x)=13
and this is interchangeable, so x and y = all positive numbers
aka. 6x + 2(13-3x) = 26
it does not matter what numbers x and y are as long as they positive

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