Hi,
Sry, we do not have the capability of face-to-face tutoring on this site
5( x-2)-2(x-5)=9
5x -10 -2x + 10=9 Distributive Property ('Distributing' the 5 and -2)
5x-2x-10+10=9 Cummutative Property ( 'Moving' Terms around )
3x = 9
x = 3
Migt recommend the following as a reference with examples:
http://www.purplemath.com/modules/numbprop.htm