Question

Solve: 3c + 2 = 4c - 9 Solve: 3c + 2 = 4c - 9 @Mathematics

Answer 1

-4c+3c=-2-9
-c=-11
c=11

Answer 2

If you don't mind me asking, where'd you get the negative 4 from? :)

Answer 3

it's from moving the 4c in '4c-9' across the sign..
3c+2=4c-9
-4c -4c
This is to get all variables on the same side of the equals sign

Answer 4

to work it out...
3c+2=4c-9 is your original problem. You need to get variables and numbers each on their own side, so..
3c+2=4c-9
-4c -4c
to get -1c+2=-9. Then you would...
-2 -2
to get -1c = -11
then divide both sides by -1 to get
c = 11