Question

If ( 4,a) lies on the line 2x+y=10, 1 point
the value of a​

Answer 1

Answer:

2x + y = 10

x+y = 10 /5

xy=2

x =2

y=?

y=4/2

y=2

y=2 and x=2

both the value are same

Answer 2

Answer:

Since (4,a) lie on the line 2x + y = 10 ...(1)

Substituting x=4 and y=a in (1) we get  

2(4) + (a) = 10  

8 + a = 10

a = 10 - 8

⇒a = 2.

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