Question

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sub maths

class 7

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Answer 1

c1) a = -2

2) m= 9

2A1) 3n + 7 = 25

3n = 25 - 7

3n = 18

n= 6

2) 2p - 1 = 23

2p = 24

p = 12

B ) 1) 2m + 8 = 12

2m = 12 - 8

2m = 4

m = 2

2) 4 = 5k - 10

- 5k = -10 -4

- 5k = - 14

5k = 14

k = 15 / 5

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