Question

Please solve a and b correctly , pls.

Answer 1

Answer:

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Answer 2

Given :-

• a ) Find x , in terms of a and b from the equation :

$\frac{1}{x} = \frac{1}{2a} + \frac{1}{b}$

• b ) Find y from the equation : 1.2y - 3.5 = 2.8 y - 6.7

To Find :-

• the values of given questions

Explanation :-

a ]

$✿ \: \frac{1}{x} = \frac{1}{2a} + \frac{1}{b} \\ \\ ✿ \: \frac{1}{x} = \frac{b + 2a}{2ab} \\ \\ ✿ \: x = \frac{2ab}{b + 2a}$

b]

1.2 y - 3.5 = 2.8 y - 6.7

6.7 - 3.5 = 2.8 y - 1.2 y

3.5 = 1.6 y

y = 3.5

• 1.6

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