Question

e) Find the value of x if
of x if +x/4×2/5=x/2-1

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Answer 1

Step-by-step explanation:

$\frac{x}{4} \times \frac{2}{5} = \frac{x}{2} - 1 \\ \frac{2x}{20} = \frac{x - 2}{2} \\ 2(2x) = 20(x - 2) \\ 4x = 20x - 40 \\ 20x - 4x = 40 \\ 16x = 40 \\ x = \frac{40}{16} = 2.5$

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Answer 2

2x/20 = x-2/2
x/10 = x-2/2
Cross multiplication method
2x = 10(x-2)
2x = 10x-20
10x-2x = 20
8x = 20
x = 20/8
x = 5/2