Question

3(x + 1 )+ 2 (x - 1)= 32

Answer 1

3.(x + 1) + 2.(x - 1) = 32
3x + 3 + 2x - 2 = 32
3x + 2x = 32 + 2 - 3
5x = 31
x = 31  ou 6,2
       5

Answer 2

Olá! :)

$3(x+1)+2(x-1)=32 \\ 3x+3+2x-2=32 \\ 3x+2x=32-3+2 \\ 5x=31 \\ x= \frac{31}{5}=6,2$