Question

me ayudan a hacerlas

1) - (9-5+14) + [(-3-1)-(-9 +12-4)]=


2) -[-12+8+9-(6+12-7)-9+14-3]


3) -7+[-5(-7+11-9)-4+3]-2+4=

4) -6+(-11)+(-3+5-23)-10-(-11+3-7)-8=​

Answer 1

1.
-(4+14)+((-4)-(3-4))
-18+((-4)-(-1))
-18+(-4+1)
-18+(-3)
-18-3
-21

2.
-(-12+8+9-(18-7)-9+14-3)
-(-12+8+9-11-9+14-3)
-(-4+9-11-9+14-3)
-(5-11-9+14-3)
-(-6-9+14-3)
-(-15+14-3)
-(-1-3)
-(-4)
4

3.
-7+(-5(4-9)-4+3)-2+4
-7+(-5(-5)-4+3)-2+4
-7+(25-4+3)-2+4
-7+(21+3)-2+4
-7+24-2+4
17-2+4
15+4
19

4.
-6+(-11)+(2-23)-10-(-8-7)-8
-6+(-11)-21-10-(-15)-8
-6-11-21-10+15-8
-17-21-10+15-8
-38-10+15-8
-48+15-8
-33-8
-41