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If p+q=36 and p-q=20 then q=?
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If p+q=36 and p-q=20 then q=?

User Ben Miller
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1 Answer

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Answer:

Explanation:

using substitution method.

p-q=20 so p=20+q Substitute into

P+q=36

Therefore 20+q+q =36

20+2q=36

2q=36-20

2q=16

q= 16/2

q=8

User Rex Adrivan
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8.0k points
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