Simplify- 39 x-23 x-29 x-17 x-3 x-A- 31 xB- 30 xC- 33 xD- 29 x

The correct option is A 31x Given: 39x – [23x – {29x – (17x – 3x)}] ⇒ 39x – [23x – {29x – 14x }] [Removing ( ) braces] ⇒ 39x – [23x – 15x] [Removing ...

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Standard VII

Mathematics

Algebraic Expression

Simplify: 39 ...

Question

Simplify: $39 x - [23 x - {29 x - (17 x - 3 x)}]$

$30 x$

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$31 x$

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$29 x$

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$33 x$

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Solution

The correct option is B
$31 x$

Given: $39 x - [23 x - {29 x - (17 x - 3 x)}]$

$\Rightarrow 39 x - [23 x - {29 x - 14 x}]$ [Removing ( ) braces]

$\Rightarrow 39 x - [23 x - 15 x]$ [Removing { } braces]

$\Rightarrow 39 x - 8 x$

$\Rightarrow 31 x$

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Similar questions

Solve:

\begin{matrix} 23 x - 29 y = 98 29 x - 22 y = 110 \end{matrix}

Q. Solve the following systems of equations:

23 x - 29 y = 98

29 x - 23 y = 110

Q. Find the value of x and y :

23 x - 29 y = 98

29 x - 23 y = 110

Q. Prove that (3x + 7) is a factor of

(6 x^{3} + 29 x^{2} + 44 x + 21)

Q. Factorise

10 x^{2} - 29 x + 21

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Simplify: 39x–[23x–{29x–(17x–3x)}]

The correct option is B 31x Given: 39x–[23x–{29x–(17x–3x)}] ⇒39x–[23x–{29x–14x}] [Removing ( ) braces] ⇒39x–[23x–15x] [Removing { } braces] ⇒39x–8x ⇒31x

Simplify: $39 x - [23 x - {29 x - (17 x - 3 x)}]$

The correct option is B
$31 x$

Given: $39 x - [23 x - {29 x - (17 x - 3 x)}]$

$\Rightarrow 39 x - [23 x - {29 x - 14 x}]$ [Removing ( ) braces]

$\Rightarrow 39 x - [23 x - 15 x]$ [Removing { } braces]

$\Rightarrow 39 x - 8 x$

$\Rightarrow 31 x$