find tha value of k, if x=2, y=(-1) is a solution of tha equation 2x-3y=k
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Answered by
0
K=7
Step-by-step explanation:
x=2,y=-1
2x - 3y =K
2×2 -3 × (-1) = K
4 - (-3) =K
4+3 = K
7 = K
Answered by
21
Given equation is 2x-3y=k
According to question x=2,y= -1
Now substituting the values of x and y in the equation 2x+3y=k,we get,
(2×2)-(3×-1)=k
⇒ 4+3=k
⇒ 7=k
So, k = 7
So, the value of k, if x=2,y= -1 is a solution of the equation 2x+3y=k is 7
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