Question

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(झ) यदि a + b = -2 और a - b = 12, तब b का मान होगा.
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Answer 1

Step-by-step explanation:

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Answer 2

a+b = -2................(1)

a-b= 12..................(2)

(1) + (2)

2a = 10

a= 5

so, a+b=-2

5+b = -2

b= -7

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