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Q.

Malini is trying to find out the solution of the algebraic equation given below: 3x + 5y = 12 

How many more equations of the same type does she need to be able to solve the given equation? 

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a

1

b

2

c

3

d

4

answer is A.

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Detailed Solution

Here, there are 2 variables x and y. 

Therefore, at least 2 equations are needed to find its solution. 

So, Malini needs one more equation of the same type to solve the given equation.

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