Question

13. Simplify 25 + (-17) + (-9)​

Answer 1

Given :- Simplify 25 + (-17) + (-9)

Answer :-

→ 25 + (-17) + (-9)

we know that ,

• + (-) - = -

so,

→ 25 - 17 - 9

adding both negative terms now, as - (+) - = + ,

→ 25 - 26

again using , + (-) - = - and sign will be of greater term,

→ (-1) (Ans.)

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Answer 2

SOLUTION

TO SIMPLIFY

$\sf{25 + ( - 17) + ( - 9)}$

EVALUATION

Step : 1

Multiply + sign and - sign

We know that ( + ) × ( - ) = ( - )

$\sf{25 + ( - 17) + ( - 9)}$

$\sf{ = 25 - 17 - 9}$

Step : 2

Subtract 17 from 25

Since 25 - 17 = 8

So we get

$\sf{25 + ( - 17) + ( - 9)}$

$\sf{ = 25 - 17 - 9}$

$\sf{ = 8 - 9}$

Step : 3

Subtract 9 from 8 to get final result

$\sf{25 + ( - 17) + ( - 9)}$

$\sf{ = 25 - 17 - 9}$

$\sf{ = 8 - 9}$

$\sf{ = -1 }$

FINAL ANSWER

$\sf{25 + ( - 17) + ( - 9) = - 1}$

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