Question

3 । 3 75 6. निम्नलिखित में से कौन " - (-x) = x" को संतुष्ट करता है? {अ}-1 (ब) 1 (स)5 5
$- ( - x) = xx$
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Answer 1

Answer:

(B )

Step-by-step explanation:

minus and minus = +

so, + x=x

Answer 2

Given data:

An algebraic expression: $-(-x)=x$

To find:

Which of the given options satisfy the above expression

Step-by-step explanation:

When $x=-1,\quad -\{-(-1)\}=-(1)=-1$

When $x=1,\quad -(-1)=1$

When $x=5,\quad -(-5)=5$

We see that all the given options satisfy the expression: $-(-x)=x$

Final answer: all the options

Note:

Let us know some product rules for signs:

1. $(+)\times (+)=(+)$
2. $(+)\times (-)=(-)$
3. $(-)\times (+)=(-)$
4. $(-)\times (-)=(+)$