SOLUTION: x=4y+5 x=3y-2

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Question 179030This question is from textbook glencoe mathematics
: x=4y+5
x=3y-2
This question is from textbook glencoe mathematics

Found 2 solutions by vleith, checkley75:
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Since x is equal to both 4y%2B5 and 3y-2
You can say 4y%2B5+=+3y+-2
y+=+-7
If y = -7, then
x+=+4%28-7%29+%2B+5
x+=+-28%2B5
x+=+-23

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
x=4y+5
x=3y-2
4y+5=3y-2
4y-3y=-2-5
y=-7 ans
x=4*-7+5
x=-28+5
x=-23 ans
Proof:
-23=3*-7-2
-23=-21-2
-23=-23