2. (i) x - 4 = 11
(ii) y - 3 = 7
(iii) m - 4 = 21
(iv) n-5 = 15
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Answer:
x=15
y=10
m=25
n=20
Step-by-step explanation:
x=11+4=15
y=7+3=10
m=21+4=25
n=15+5=20
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