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tekilochka [14]
3 years ago
5

Can someone show me the workings out for each of these three questions

Mathematics
1 answer:
Paul [167]3 years ago
3 0
(c) 5p + 7 = 12 - 3p

8p = 5 

p = 5/8 = 0.625

5. (a)

7p + 2 = 5p + 8

2p = 6

p = 3

(b) 7r + 2 = 5r - 20

2r = -22

r = -11


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