Question

{[ -5 + 3 - (2 x -4 + 5)] + (-1)}

Answer 1

Es 0
{[-5+3-(2•-4+5)]+(-1)}
{[-2-(-3)]+(-1)}
{[-2+3-1}
0

Answer 2

¿La x es multiplicación o variable?

Explicación paso a paso:

{[ -5 + 3 - (2 x -4 + 5)] + (-1)}

{[ -2-(2x +1)] -1]}

{[-2-2x-1]-1}

[-3-2x]-1

+3 +2x

2x+3