SOLUTION: when solving by method of substitution what is P=V-4, V+P=10

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Question 416309: when solving by method of substitution what is P=V-4, V+P=10
Answer by josmiceli(19441) About Me  (Show Source):
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(1) P+=+V+-+4
(2) V+%2B+P+=+10
Substitute (1) into (2)
(2) V+%2B+V+-+4+=+10
2V+=+14
V+=+7
and, since
P+=+V+-+4
P+=+7+-+4
P+=+3