
Vivian L. answered 02/03/14
Tutor
3
(1)
Microsoft Word/Excel/Outlook, essay composition, math; I LOVE TO TEACH
Hi Shoumic;
-c+2=5
Let's subtract 2 from both sides...
-2+-c+2=5-2
-c=3
Let's multiply both sides by -1...
(-1)(-c)=(-1)(3)
c=-3
Let's check our work...
-c+2=5
-(-3)+2=5
A negative of a negative number is a positive number...
3+2=5
5=5