33.0k views
4 votes
Solve for x. 3x-r=r(-3+x)

User Rajez
by
8.5k points

1 Answer

3 votes
3x-r=r (-3+x)
3x-r=-3r+xr
3x-r+r=-3r+xr+r
3x=-2r+xr
3x-xr=-2r+xr-xr
3x-xr=-2r
x (3-r)=-2r
x (3-r)/(3-r)=-2r/(3-r)
x=-2r/(3-r)
User Electrodruid
by
8.4k points