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Solving Equations with Variables on Both Sides

Evaluate : 7...

Question

Evaluate :
$7 x - 5 = 2 x$ .

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Solution

$7 x - 5 = 2 x$
$\Rightarrow 7 x - 2 x = 5$
$\Rightarrow 5 x = 5$
$\Rightarrow$ x= $\frac{5}{5} = 1$

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Solving Equations with Variables on Both Sides

Standard VIII Mathematics

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