If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-2+r-3=-2
We move all terms to the left:
-2+r-3-(-2)=0
We add all the numbers together, and all the variables
r-3=0
We move all terms containing r to the left, all other terms to the right
r=3
| 2/3a+5=21 | | 13x+36=49 | | 3(q+1.33)=2 | | p+12.1-2=-1.6 | | 10y+10=15y+5 | | -3=7(y-(9/7) | | z/2+2=-71 | | 56=-v/6 | | 28-m=240 | | -3=7(y-(9/7 | | 10x+2+8x=(2+16)x-2+4 | | -42=y/4 | | -8x-11=-4(2x+5) | | 9+4u=61 | | 4x+25=41 | | 8=w+39/7 | | 8=w+397 | | 7x+1=10x-9 | | 6d+7=31 | | 1-4v=16 | | 45n+60=285 | | n-6-n=-4 | | 5(3x-2)=-100 | | 1/3(3-z)=5 | | 13+4g=9 | | 1/3(3-z)=4 | | p/16=3 | | -14+n=-26 | | 1/3(3-z)=6 | | 3n+15/2=30 | | 114=-6m | | c^2+3c^2-81c-243=0 |