Answer:
( - 2, 5 )
Step-by-step explanation:
Given,
y = 5
9x + 5y = 7
To find : ( x, y ) = ?
Substitute y = 5 in " 9x + 5y = 7 ",
9x + 5 ( 5 ) = 7
9x + 25 = 7
9x = 7 - 25
9x = - 18
x = - 18 / 9
x = - 2
( x, y ) = ( - 2, 5 )
