Verify a-(-b)=a+b for the following values of a and b.
(i) a=21, b=18
(ii) a=118, b=125

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Solution

(i) $a = 21 b = 18$
We have $a - (- b)$
$\Rightarrow$ $a = 21 - (- 18) = 39$
and $a + b = 21 + 18 = 39$

(ii) $a = 118 b = 125$
We have $a - (- b)$
$\Rightarrow$ $18 - (- 125) = 243$
and $a + b = 118 + 125 = 243$
Hence proved $a - (- b) = a + b$

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Similar questions

Verify $a - (- b) = a + b$ for the following values of $a$ and $b$ .
(i) $a = 21$ , $b = 18$ (ii) $a = 75, b = 10$

Verify a − (−b) = a + b for the following values of a and b.

(i) a = 21, b = 18

(ii) a = 118, b = 125

(iii) a = 75, b = 84

(iv) a = 28, b = 11

Question 8(ii)
Verify a−(−b) = a + b for the following values of a and b.
a = 118, b =125

a - (- b) = a + b

a

b

a = 28, b = 1

a = 118, b = 125

a = 75, b = 84

a = 28, b = 1

Question 8(i)
Verify a - (-b) = a + b for the following values of a and b.
a = 21, b = 18

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