If it's not what You are looking for type in the equation solver your own equation and let us solve it.
61=r-172
We move all terms to the left:
61-(r-172)=0
We get rid of parentheses
-r+172+61=0
We add all the numbers together, and all the variables
-1r+233=0
We move all terms containing r to the left, all other terms to the right
-r=-233
r=-233/-1
r=+233
| 96+47+x=180 | | -(x+3)=5x+5-4x | | X+3+3x=21 | | 3/4+x=4/5 | | (20+10c)=3;c | | -2-6.7x=8-9.9x | | 101+18+x=180 | | -(8+6x)+3=-9x-26 | | 7x-12+114=114 | | -11x-5=7x-5 | | (20+10c)=3 | | 23b=345 | | 2(v-5)-6=-4(-4v+3)-6v | | b/3+12=18 | | -7x-2.8=6x=13.2 | | 20*10x=3 | | x+1/2•x=1725 | | u+52=96 | | 8+2m=20 | | 6(d+1)=18 | | 4^3x+6=32 | | -4u+17=9(u-1) | | 1/2=3/2+t | | 100+x+120+100=360 | | 198=4-w | | n+2=-14-8n | | -8(u+9)=-2u-48 | | w-2/5=3/5 | | 3x-8=83 | | 400/20=x | | y/7=y+4/9 | | 23=8x-23 |