Question

Which expression is equivalent to (7x - 5 ) - ( 3x - 2)?

Answer 1

Distribute the minus sign into the second parenthesis to get 7x-5-3x+2.
Then combine like terms to get 4x-3

Answer 2

$(7x - 5 ) - ( 3x - 2)$ 

$7x-5-3x+2$ 

$(7x-3x)-5+2$          $\ Gather \ like \ terms$  

$4x-5+2$ 

$4x-3$