Question

x-[x-(2-x)-1]=-(1-x)

Answer 1

x-[x-(2-x)-1] = -(1-x)
x-[x-2+x-1] = -1+x
x-[2x-3] = -1+x
x-2x+3 = -1+x
x-2x-x = -1-3
-x-x = -4
-2x = -4
2x = 4
x = $\frac{4}{2}$
x = 2