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Solving Equations with Linear Expressions on One Side and Numbers on the Other Side

If you subtra...

Question

If you subtract 4 from a number and multiply the result by 5, you get 20. Find the number.

1/4

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2/4

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3/4

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Solution

The correct option is A
1/4

Let the number be x.

$\Rightarrow (x - 4) \times 5 = 20$

$\Rightarrow 5 x - 20 = 20$

$\Rightarrow 5 x = 40$

$\Rightarrow x = 8$

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