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7q + 2p = 29 & 2p - q =5
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7q + 2p = 29 & 2p - q =5

User Tim Almond
by
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2 Answers

2 votes
The answer for p is 4 and the answer for q is 3
User Stiegi
by
6.4k points
3 votes
eliminate p terms
times 2nd equation by -1
q-2p=-5
add to 2nd equation

q-2p=-5
7q+2p=29 +
8q+0p=24

8q=24
divide both sides by 8
q=3
sub back

2p-q=5
2p-3=5
add 3
2p=8
divide by 2
p=4

p=4
q=3
User Starball
by
7.8k points
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