If x=-1,y=2 is a solution of the equation 3x+4y=k, find the value of K .
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Answers
Answered by
57
Given :
The value of x = - 1
The value of y = 2
The equation is
3 x + 4 y = k
To Find :
The value of k
Solutions :
∵ The equation is 3 x + 4 y = k
And , x = -1
y = 2
put the value of x and y into equation
∴ 3 × ( -1 ) + 4 × ( 2 ) = k
Or, k = - 3 + 8
i.e k = 5
Hence The value of k is 5 . Answer
Answered by
16
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