Simplify:
$2 x - [7 - 3 (x + 10) + x]$

23

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2 x + 23

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4 x - 23

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4 x + 23

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Solution

The correct option is C $4 x + 23$
Solve $\to$ $2 x - [7 - 3 (x + 10) + x]$

$\Rightarrow 2 x - [7 - 3 x - 30 + x]$

$\Rightarrow 2 x - [- 2 x - 23]$

$\Rightarrow 2 x + 2 x + 23$

$\Rightarrow 4 x + 23$ Ans

Suggest Corrections

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Question 7
If 2x + y = 23 and 4x – y = 19, then find the values of 5y – 2x and $\frac{y}{x}$ - 2.

If $2 x + y = 23$ and $4 x - y = 19$ ; find the values of $x - 3 y$ and $5 y - 2 x .$

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