Question

if (3,4) lies in the 4x -3y +a+5=0 then find the value of "a"?

Answer 1

4(3)-3(4)+a+5=0
0+a+5=0
then a=-5
Hope you understand...

Answer 2

$hey \: mate \: thank \: for \: the \: question \\ hope \: it \: helps \\ putting \: the \: points \: in \: equation \\ 4x - 3y + a + 5 = 0 \\ 4 \times 3 - 3 \times 4 + a + 5 = 0 \\ 12 - 12 + a + 5 = 0 \\ a + 5 = 0 \\ a = - 5 \\ please \: mark \: as \: brainlest$