Question

Q-3 Verify the following.
1. a-(-b) = a +b. If a = 6 and b= 11
2.12 17 +(-3)]=[12 7]+[ 12 (-3) ]
3.26 (-48) + (-48) (-36)
4.625 * (+35) +625* 65
5.-12 [ -6 + 3]
6.8*125*(-45)​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 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