Answer:
13x-9
Step-by-step explanation:
9×(x - 1)
9x - 9 +4x
collect like terms, 9x+4x=13x
Answer:
If you're asking to simplify it will be 13x-9
Step-by-step explanation:
9(x-1)+4x
=9x-9+4x (since 9*x is 9x and 9*1 is 9)
=13x-9 - By collecting like terms (9x+4x=13x)
