3-4 and 7-x- find x if both are equal

Given: 3/4 and 7/x are equal.Step 1: We need to find x3/4=7/xOn cross multiplying we get3x=280ex0exx=28/30ex0exx=9.333...Hence, the value of x is 9.333... ...

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Byju's Answer

Standard VIII

Mathematics

Solving Linear Equations Using Transpose of Terms

3/4 and 7/x; ...

Question

$\frac{3}{4}$ and $\frac{7}{x}$ ; find $x$ if both are equal

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Solution

Given: $\frac{3}{4}$ and $\frac{7}{x}$ are equal.
Step 1: We need to find $x$
$\frac{3}{4} = \frac{7}{x}$
On cross multiplying we get
$3 x = 28 x = \frac{28}{3} x = 9.333 . . .$
Hence, the value of $x$ is $9.333 . . .$

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34 and 7x; find x if both are equal

Given: 34 and 7x are equal.Step 1: We need to find x34=7xOn cross multiplying we get3x=28x=283x=9.333...Hence, the value of x is 9.333...

$\frac{3}{4}$ and $\frac{7}{x}$ ; find $x$ if both are equal

Given: $\frac{3}{4}$ and $\frac{7}{x}$ are equal.
Step 1: We need to find $x$
$\frac{3}{4} = \frac{7}{x}$
On cross multiplying we get
$3 x = 28 x = \frac{28}{3} x = 9.333 . . .$
Hence, the value of $x$ is $9.333 . . .$