Question

simplifique me ajuuuuuuuudaaa Pf

Answer 1

B: 4.(x - 1) +2 . (x + 1)=
4x - 4 + 2x + 2=
4x+2x= 4-2
6x=2
x=2/6

C: -2 .(2x - 4) -5 .(-2x + 10)=
-2x+8+10x-50
-2x+10x=50-8
8x=42
x=42/8