Question

f (2,1) is a solution of 2x+y=5a find a

Answer 1

Answer:

answer is 1

Step-by-step explanation:

$2(2) + 1 = 5a \\ 5 = 5a \\ a = 1$

hope it helps..

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Answer 2

Answer:

2x+y=5a

x=2 , y=1

2×2+1=5a

4+1=5a

5=5a

a=5/5

a=1