Question

( x + 3 ) ( y + 3 ) = 66​

Answer 1

Answer:

x + y = 63

Step-by-step explanation:

3 + (x+y) = 66

x+y =66-3

x+y = 63

to get the x value send y to LHS and then substitute

Answer 2

$x + 3 + y + 3 = 66 \\ x + y + 6 = 66 \\ x + y = \frac{66}{6} \\ x + y = 11$

Above given is your solution maybe.