Question

Simplify the following expression: (7x - 9y) + (2x - 7) - (-x + 5)

Show your work

Answer 1

Explanation:

= ( 7x - 9y ) + ( 2x - 7 ) - ( -x + 5 )

= 7x - 9y + 2x - 7 + x - 5

= 7x + 2x + x - 9y - 7 - 5

= 10x - 9y - 12