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Mathematics
Cynthia Benson
24 August, 06:34
3r+p=-8 and 2r + p = 22 2r+p=22
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Mike Mccormick
24 August, 07:39
0
We can eliminate p
multiply 2nd equation by - 1 and add to first
3r+p=-8
-2r-p=-22 +
1r+0p=-30
r=-30
sub back
2r+p=22
2 (-30) + p=22
-60+p=22
add 60 both sides
p=82
r=-30
p=82
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