Find the sum of 2 mn -11 x and 22 x -4 mnA- 6 mn -33 xB- 33 mnxC- 5 mn -22 xD- 29 mnx

The correct option is A 6mn + 33x In order to find nbsp;the sum of 2mn + 11x and 22x + 4mn, we need to group the like terms first (we can add only the like ...

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Standard VII

Mathematics

Addition of Algebraic Expressions

Find the sum ...

Question

Find the sum of
$2 m n + 11 x a n d 22 x + 4 m n$ .

$6 m n + 33 x$

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$33 m n x$

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$5 m n + 22 x$

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$29 m n x$

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Solution

The correct option is A
$6 m n + 33 x$

In order to find the sum of $2 m n + 11 x a n d 22 x + 4 m n$ , we need to group the like terms first (we can add only the like terms).

$\Rightarrow (2 m n + 11 x) + (22 x + 4 m n)$
$= 2 m n + 11 x + 22 x + 4 m n$
$= (2 m n + 4 m n) + (11 x + 22 x)$
$= 6 m n + 33 x$

Hence, the sum is
$6 m n + 33 x$ .

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Find the sum of 2mn+11x and 22x+4mn.

The correct option is A 6mn+33x In order to find the sum of 2mn+11x and 22x+4mn, we need to group the like terms first (we can add only the like terms). ⇒(2mn+11x)+(22x+4mn) =2mn+11x+22x+4mn =(2mn+4mn)+(11x+22x) =6mn+33x Hence, the sum is 6mn+33x.

Find the sum of
$2 m n + 11 x a n d 22 x + 4 m n$ .