# How do you solve and write the following in interval notation: #-12<8-x<=-7 #?

##### 1 Answer

Aug 19, 2017

See explanation.

#### Explanation:

#-12 < 8-x < -7#

First you subtract

#-20 < -x < -15#

Next step is to multiply all sides by

#20 > x > 15#

Finally you can write the solution in an interval form: