Respuesta :
Answer:
a.7x+4
Step-by-step explanation:
collect the like terms:
5x+2x+9-5
=7x+4
a) 5x-5+2x+9
7x+4
b) -6(x-5)+4x
-6x+30+4x
-2x+30
c) 2(3x+4)+ 3(x-2)
6x+4+3x-6
9x-2
7x+4
b) -6(x-5)+4x
-6x+30+4x
-2x+30
c) 2(3x+4)+ 3(x-2)
6x+4+3x-6
9x-2