Question

If (1 , -1) is a solution of linear equation 2x - (2a + 5)y = 5 , find the value of a​

Answer 1

Answer:

a= -1

hope it helps u

pls mark my answer as brainliest

Answer 2

Answer:

a=-1

Step-by-step explanation:

2x-(2a+5)y=5

put x=1 and y=-1

2×1-(2a+5)-1=5

2+2a+5=5

7+2a=5

7-5=2a

2=-2a

2/-2=a

-1=a

or

a=-1