Question

If (a - 3, a + 4) is a solution of the equation 2x - 3y = 5 then find the value of a.
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class 9​

Answer 1

Step-by-step explanation:

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Answer 2

SOLUTION

GIVEN

(a - 3, a + 4) is a solution of the equation 2x – 3y = 5,

TO DETERMINE

The value of a

EVALUATION

Here it is given that (a - 3, a + 4) is a solution of the equation 2x – 3y = 5

So by the given condition

$\sf{2(a - 3) - 3(a + 4) = 5}$

$\sf{ \implies \: 2a - 6- 3a - 12= 5}$

$\sf{ \implies \: - a - 18= 5}$

$\sf{ \implies \: - a = 23}$

$\sf{ \implies \: a = - 23}$

FINAL ANSWER

Hence the required value of a = - 23

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