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iren [92.7K]
3 years ago
6

3) 8p + 7q = 432 -7=-qhow can I solve this with substitution?​

Mathematics
1 answer:
Bess [88]3 years ago
6 0

Answer:

p=1, q=5. (1, 5).

Step-by-step explanation:

8p+7q=43

2-7=-q

------------------

-q=-5

q=5

--------

8p+7(5)=43

8p+35=43

8p=43-35

8p=8

p=8/8=1

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