Question 54Solve the following-0-2x-5-3-5x-3-2-5

Given, 0.2x+5/3.5x 3=2/5 ⇒ 5(0.2x+5)=2(3.5x 3) ⇒ x+25=7x 6 ⇒ x 7x= 6 25 ⇒ 6x= 31 ⇒ 6x/ 6= 31/ 6 ∴ x=31/6 ...

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Solution of an Equation

Question 54So...

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Question 54

Solve the following:

$\frac{0.2 x + 5}{3.5 x - 3} = \frac{2}{5}$

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Question 54

Solve the following:

$\frac{0.2 x + 5}{3.5 x - 3} = \frac{2}{5}$

\frac{{0.2}^{x + 0.5}}{\sqrt{5}} = \frac{(0.04)^{x}}{25}

\frac{(0.2)^{(x - 0.5)}}{\sqrt{5}} = 5 \times (0.04)^{(x - 1)}

Question 71

In the following question, state whether the given statements are true (T) or false (F).

$(- 5)^{- 2} \times (- 5)^{- 3} = (- 5)^{- 6}$

Solve the following question to find the value of 'x':
$2 (x + 3) - 3 x + 5 = 2 + 5 x$

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