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Question

If x = 2, y = 2 is a solution of the equation 4x+5y = k, then the value of k is ________.

A
14
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B
16
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C
12
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D
18
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Solution

The correct option is D 18
If the point (2, 2) is a solution for the given linear equation, then it will satisfy the equation.
Putting the value of x and y in the equation we get:
4(2)+5(2)=k
k=18
Thus, the value of k is 18.

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