Find the value of the expression when x-2-5x-4

Given expression is 5x/4We need to find the value of this expression at x=2So putting x=2, we get 5(2)/4⇒5/2 Hence, 5/2 is the value of the expression when x ...

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Standard VII

Mathematics

Finding the Value of an Expression

Find the valu...

Question

Find the value of the expression when $x = 2$ .
$\frac{5 x}{4}$

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Solution

Given expression is $\frac{5 x}{4}$
We need to find the value of this expression at $x = 2$
So putting $x = 2$ , we get $\frac{5 (2)}{4}$
$\Rightarrow$ $\frac{5}{2}$

Hence, $\frac{5}{2}$ is the value of the expression when $x = 2$ .

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Find the value of the expression when x=2.5x4

Given expression is 5x4We need to find the value of this expression at x=2So putting x=2, we get 5(2)4⇒52 Hence, 52 is the value of the expression when x=2.

Find the value of the expression when $x = 2$ .
$\frac{5 x}{4}$

Given expression is $\frac{5 x}{4}$
We need to find the value of this expression at $x = 2$
So putting $x = 2$ , we get $\frac{5 (2)}{4}$
$\Rightarrow$ $\frac{5}{2}$

Hence, $\frac{5}{2}$ is the value of the expression when $x = 2$ .