If ( k -2 , k + 1) is a solution of the equation 2 x + 3 y = 4 , then find value of k.
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Answer:
solution is in the picture
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Step-by-step explanation:
(x,y)=(k-2,k+2)
2x+3y=4
2(k-2)+3(k+1)=4
2k-4+3k+3=4
5k-1=4
5k=4+1
5k=5
k=5/5
k=1
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