SOLUTION: 3x + y = 5 4x - 7y = -10 how do i solve this?

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Question 1045381: 3x + y = 5
4x - 7y = -10
how do i solve this?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
system%283x+%2B+y+=+5%2C4x+-+7y+=+-10%29

system%287%283x%2By%29=7%2A5%2C4x-7y=-10%29

system%2821x%2B7y=35%2C4x-7y=-10%29

21x%2B7y%2B4x-7y=35-10

25x=25

highlight%28x=1%29

Can you solve for the value of y ?