Find the value of k for x=1,y=-2 is a solution of linear equation x-2y+k=0
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Answer:
k = -5
Step-by-step explanation:
X= 1
Y = -2
so
X - 2Y +k = 0
1 -2 × (-2) + k = 0
1+4 +k = 0
k+5=0
k= -5
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