4) les on the graph x +2y=6, then find the value of a.
If (k-2, k+1) is a solution of the equation 2x+3y=4, then find the value of k.
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Answer:
k=1
Step-by-step explanation:
(k-2,k+1)be x and y put the values in equation 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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