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Question

Which one could be a solution for the equation 3x+4y = 38 ?


A

3,4

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B

6,5

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C

2,19

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D

3,12

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Solution

The correct option is B

6,5


The solutions of a linear equation should satisfy the equation.

Substitute x = 3 and y = 4 in the given equation
3(3) + 4(4) = 25 38 its not a solution.

Substitute x = 6 and y = 5 in the given equation
3(6) + 4(5) = 38 its a solution.

Substitute x = 2 and y = 19 in the given equation
3(2) + 4(19) = 82 38 its not a solution.

Substitute x = 3 and y = 12 in the given equation
3(3) + 4(12) = 57 38 its not a solution.


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