Question

$\frac{2x}{5} = 4$
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Answer 1

Answer:

x=10

Explanation:

We"ll cross multiply

So, we get

$2x=20$   (as $4*5=20$)

$x=10$  (as $20/2=10$ )

Answer 2

$\frac{2x}{5} = 4 \\\ \implies 2x = 5 \times 4 = 20 \\\ \implies x = \frac {20}{2} = 10$