SOLUTION: 5x-y=10 2x+y=4

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Question 55752This question is from textbook Introductory Algebra
: 5x-y=10
2x+y=4 This question is from textbook Introductory Algebra

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
5X-Y=10
2X+Y=4 NO ADD THESE TWO EQUATIONS
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7X=14
X=14/7
X=2
5*2-Y=10
10-Y=10
-Y=10-10
-Y=0
Y=0
PROOF
2*2+0=4
4=4