Solve -9-[1+(-11+7-2)-(+5-10+4-6)]

$$- 9 - [ 1 + ( - 11 + 7 - 2 ) - ( + 5 - 10 + 4 - 6 ) ]$$

Evaluate

$$-11$$

Solution Steps

Subtract 11 from 1 to get -10.

$$-9-\left(-10+7-2-\left(5-10+4-6\right)\right)$$

Add -10 and 7 to get -3.

$$-9-\left(-3-2-\left(5-10+4-6\right)\right)$$

Subtract 2 from -3 to get -5.

$$-9-\left(-5-\left(5-10+4-6\right)\right)$$

Subtract 10 from 5 to get -5.

$$-9-\left(-5-\left(-5+4-6\right)\right)$$

Add -5 and 4 to get -1.

$$-9-\left(-5-\left(-1-6\right)\right)$$

Subtract 6 from -1 to get -7.

$$-9-\left(-5-\left(-7\right)\right)$$

The opposite of -7 is 7.

$$-9-\left(-5+7\right)$$

Add -5 and 7 to get 2.

$$-9-2$$

Subtract 2 from -9 to get -11.

$$-11$$

Factor

$$-11$$