SOLUTION: what are the orders pair of 1)2x - 5y = 10 2)y = 3x + 4

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Question 362375: what are the orders pair of
1)2x - 5y = 10
2)y = 3x + 4
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You mean what is the solution.
Substitute eq. 2 into eq. 1,
2x-5%283x%2B4%29=10
2x-15x-20=10
-13x=30
highlight%28x=-30%2F13%29
Now use eq. 2 to solve for y,
y=3%28-30%2F13%29%2B4
y=-90%2F13%2B52%2F13
highlight%28y=-38%2F13%29