Question

-2-7-[-3+1-(1+2-3)+1]-[-7+4-(2+5)] ayúdenme porfa ;-;​

Answer 1

$-2-7-\left[-3+1-\left(1+2-3\right)+1\right]-\left[-7+4-\left(2+5\right)\right]\\=-2-7-\left(-1\right)-\left[-7+4-\left(2+5\right)\right]\\=-2-7-\left(-1\right)-\left(-10\right)\\=-9-\left(-1\right)-\left(-10\right)\\=-9+1-\left(-10\right)\\=-8-\left(-10\right)\\=-8+10$

= 2

Espero que te sirva✌