#### Jay Harris

##### New member

- Joined
- Dec 3, 2010

- Messages
- 1

(90-x)=complement (180-x)=supplement

(90-x)+(180-x)=174

Combine like terms:

90+180+-x+-x=174

270+2x=174

Get the variable on one side by itself:

270-270+2x=174-270

2x=96 then divide 2x=96

2x=2x

x=48. 90-48=42 180-48=134 42+134=174

This is what I came up with. Thank you for your help ahead of time.