Question

(x+5)-2(4x-1). Qual o valor de x?

Answer 1

(x+5)-2(4x-1)=
x+5-8x+2=
x-8x=-2-5
-7x=-7
x= -7/-7
x= 1

Answer 2

$(x+5)-2(4x-1)= \\ \\ x+5-8x+2= \\ \\ -7x+7=0\\\\x= \frac{-7}{-7} \\\\\boxed{x=1}$