Question

find the value of k, if x=1,y=2 is a solution of the equation 5x+3y=k​

Answer 1

Answer:

Given x=2k+1 and y=k is the solution of equation 5x+3y-7=0

5x+3y−7=0

Put the value of x=2k+1 and y=k we get

5(2k+1)+3(k)−7=0

⇒10k+5+3k−7=0

⇒13k−2=0

⇒13k=2

⇒k=

13

2

Step-by-step explanation:

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Answer 2

Answer:

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