Question

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16. If (1,-1) is a point on the line 2x - (2a + 5)y = 5 then find the value of a.​

Answer 1

Answer:

substitute (1,-1) in 2x - (2a + 5)y = 5

2(1) - 2a(-1) + 5(-1) = 5

2 + 2a - 5 = 5

2a = 8

a = 4

Hope it is useful for you

Answer 2

4a + 78 + / House + Grass is the answer