Sagot :
Answer:
14x-13
Step-by-step explanation:
(9x - 6)-(-5x +7)
remove tha unnecessary parentheses
when there is a - in front of an expression in parentheses, change the sign of each term in the expression.
9x-6 + 5x - 7
9x + 5x= 14x
-6-7= 13
so the answer is 14x - 13
#hopes its helpful..