Question

Q6)-(-|-6+21)
O -4
O +4
Q7) -(-1-6+21) + 1-8|
O-4
O +4
O 12
O -12
Q8) -(-|-6+2) + |-8+8|
O-4
+4
12
-12
Q9 |+4|-|-4|-|4|+|-4|
-4
+4
-12
0
​

Answer 1

Answer:

1. -(-|-6+21|)

-(-15)

15

2. -(-1-6+21) + |1-8|

-(14) + |-7|

-14+7

-7

3. -(-|-6+2|)+|-8+8|

-(-4) + 0

4+0

4

4. |+4|-|-4|-|4|+|-4|

4-4-4-4

4-12

-8

if it helps u please mark my answer as brainliest.. please