If a - X- then for what value of x does the equation x - a -2-2 x -5 hold true-A- 10B- 5C- 2D- 7

The correct option is A 10 Given that, x +a/2 = (2x 5) Substitute the value of a as x in the equation, we get x +x/2 = (2x 5) 3x/2 = (2x 5) 2x 3x/2 = 5 4x 3 ...

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Byju's Answer

Standard VII

Mathematics

Equation

If a = X, the...

Question

If $a = x$ , then for what value of $x$ does the equation $x + \frac{a}{2} = (2 x - 5)$ hold true?

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Solution

The correct option is A
10

Given that, $x + \frac{a}{2} = (2 x - 5)$

Substitute the value of $a$ as $x$ in the equation, we get

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

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

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

$\frac{4 x - 3 x}{2} = 5$

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

$x = 5 \times 2 = 10$

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If a=x, then for what value of x does the equation x+a2=(2x−5) hold true?

The correct option is A 10 Given that, x+a2=(2x−5) Substitute the value of a as x in the equation, we get x+x2=(2x−5) 3x2=(2x−5) 2x−3x2=5 4x−3x2=5 x2=5 x=5×2=10

If $a = x$ , then for what value of $x$ does the equation $x + \frac{a}{2} = (2 x - 5)$ hold true?

The correct option is A
10

Given that, $x + \frac{a}{2} = (2 x - 5)$

Substitute the value of $a$ as $x$ in the equation, we get

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

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

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

$\frac{4 x - 3 x}{2} = 5$

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

$x = 5 \times 2 = 10$