Question

Consider the equations shown . p + q = 5 & p − q = 2 Which of these are the values of p and q? *

p=3.5, q=1.5

p=2, q=4

p=4, q=2

p=1.5, q=3.5

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Answer 1

Answer:

option (a) p=3.5, q=1.5

Step-by-step explanation:

solving using elimination method we get,

p + q = 5      ---------------(1)

p - q = 2      ---------------(2)

adding (1) and (2)

2p = 7

p = 7/2

p = 3.5       ------------(3)

subs (3) in (1)

3.5 + q = 5

q = 1.5.

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Answer 2

refer the above photo

hope this helps you