SOLUTION: Y = -x +4 Y = 3x Substitution

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Question 704003: Y = -x +4
Y = 3x
Substitution
Found 2 solutions by jim_thompson5910, Alan3354:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Hint:

y = -x+4

3x = -x+4 ... plug in y = 3x

Solve for x. Then use this to find y.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Y = -x +4
Y = 3x
Substitution
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Sub for y in the 1st equation