Question

Which sum or difference is modeled by the algebra tiles?

Answer 1

option 4

Explanation:

(2x - 3) - (-3x + 4)

= 2x - 3 +3x - 4 {remove parenthesis by bringing in th (-) sign}

= 2x + 3x - 3 - 4 {add the like term}

= 5x - 7