Question

[(-7)+9]+(__________)=9+[-7+4]​

Answer 1

Answer:

4

Step-by-step explanation:

6=6

lhs=rhs

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Answer 2

Answer:

The value of the unknown is 4.

Step-by-step explanation:

Let the unknown value of the given expression be "x".

Given,

The equation [(-7)+9]+(x)=9+[-7+4]​

To find,

The equation [(-7)+9]+(x)=9+[-7+4]​.

Calculation,

[(-7)+9]+(x)=9+[-7+4]​

Considering the R.H.S part,

R.H.S = 9 + [-7 + 4]

⇒ R.H.S = 9 + [-3]

⇒ R.H.S = 9 - 3

⇒ R.H.S = 6

Now considering the L.H.S

L.H.S = [(-7) + 9] + (x)

⇒ L.H.S = [2] + x

⇒ L.H.S = 2 + x

As L.H.S = R.H.S

⇒ 2 + x = 6

⇒ x = 6 - 2 (Bringing 2 from L.H.S to R.H.S)

⇒ x = 4

Therefore, the value of the unknown is 4.

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