If a - x then which number satisfies the equation- x - a -2-2 x -5 -A- 10B- 5C- 2D- 7

The correct option is A 10 The equation in the above question is x +a/2 = (2x 5) We need to find the value of x. Substituting nbsp;the value 'x = a' nbsp;a ...

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Byju's Answer

Standard VII

Mathematics

Solution of an Equation

If a = x then...

Question

If $a = x$ then which number satisfies the equation: $x + \frac{a}{2} = (2 x - 5)$ ?

$10$

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$5$

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$2$

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$7$

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Solution

The correct option is A
$10$

The equation in the above question is $x + \frac{a}{2} = (2 x - 5)$
We need to find the value of $x$ .
Substituting the value ' $x = a$ ' and solving.

$\Rightarrow x + \frac{x}{2} = (2 x - 5)$

$\Rightarrow \frac{3 x}{2} = (2 x - 5)$

$\Rightarrow 2 x - \frac{3 x}{2} = 5$

$\Rightarrow \frac{x}{2} = 5$

$\Rightarrow x = 5 \times 2$

$\Rightarrow x = 10$

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If a=x then which number satisfies the equation: x+a2=(2x−5)?

The correct option is A 10 The equation in the above question is x+a2=(2x−5) We need to find the value of x. Substituting the value 'x=a' and solving. ⇒x+x2=(2x−5) ⇒3x2=(2x−5) ⇒2x−3x2=5 ⇒x2=5 ⇒x=5×2 ⇒x=10

If $a = x$ then which number satisfies the equation: $x + \frac{a}{2} = (2 x - 5)$ ?