If the middle point of the line segment joining `(3, 4) and (k, 7)` is `(x, y) and 2x+2y+1=0`, find the value of `k`.

If the midpoint of the line segment joining (3,4) and (k,7) is (x,y) and 2x + 2y + 1 = 0 , find the value of k.

If the mid-point of the line joining (3, 4) and (k, 7) is (x, y) and 2x + 2y + 1 = 0, find the value of k.

If the midpoint of the line joining (3,4) and (K, 7) is ( y) and 2x + 2y + 1= 0, find K.

If the mid point of the line segment joining the point A(3,4) and B(k,6) is P(x,y) and x+y-10=0, then find the value of k.

If the mid-point of the segment joining the points A(3,4) and B(k,6) is (x,y) and x + y = 10, find the value of k and the length of the line segment AB.

If the mid-point of the line segment joining the points A(3, 4), B(k, 6) is P(x, y) and x + y - 10 = 0, find the value of k.

If the mid-point of the line joining (3, 4) and (p, 7) is (x, y) and 2x + 2y + 1 = 0, then what will be the value of p?

If the mid-point (x,y) of the line joining (3,4) and (p,7) lie on 2x + 2y+ 1=0 then what will be the value of P ?

If the mid-point (x,y) of the line joining (3,4) and (p,7) lies on 2x+2y+1=0 , then what will be the value of p?