Question

Tell weather each equasion is true, false or open.

1. 62+(-15)=77
2. 52/-2=-16+(-30)/3
3. x/4+16=32-5/4

Answer 1

1. 62 + (-15) = 77
62 - 15 = 77
47 = 77 (false)

2. 52/-2 = -16 + (-30)/3
-26 = -16 - 10
-26 = -26 (true)

3. x/4 + 16 = 32 - 5/4
open

http://www.slideshare.net/gemmabean/introduction-to-equations