SOLUTION: Find the y-intercept. –x + 3y = 15

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Question 70250: Find the y-intercept.
–x + 3y = 15

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for y
-cross%28x%2Bx%29+%2B+3y+=+15%2BxAdd x to both sides
cross%283%2F3%29%2Ay=%2815%2Bx%29%2F3Divide both sides by 3
y=%2815%2Bx%29%2F3this fraction could be written as 15%2F3%2Bx%2F3 and simplified
y=5%2Bx%2F3
Or it could be written as
y=%281%2F3%29x%2B5