Verify a- (-b) = a+ b for the following values of 'a and b' a) a= 28 , b= 11 b) a = 20, b = 17
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Answered by
2
Step-by-step explanation:
(i) a=21b=18
We have a−(−b)
⇒a=21−(−18)=39
and a+b=21+18=39
(ii) a=118b=125
We have a−(−b)
⇒18−(−125)=243
and a+b=118+125=243
Hence proved a−(−b)=a+b
Answered by
1
Step-by-step explanation:
a] a = 28 b = 11
a – ( – b )
= 28 – (–11)
= 28 + 11
= a + b
verified
b] a = 20 b = 17
a – ( – b )
= 20 – ( –17 )
= 20 + 17
= a + b
verified
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