If it's not what You are looking for type in the equation solver your own equation and let us solve it.
29=2r+13
We move all terms to the left:
29-(2r+13)=0
We get rid of parentheses
-2r-13+29=0
We add all the numbers together, and all the variables
-2r+16=0
We move all terms containing r to the left, all other terms to the right
-2r=-16
r=-16/-2
r=+8
| -4.1r+9.84=-1.6-9.3r | | -4(y-7)=-12 | | 2y+12=3y-47 | | 3x(N)=12 | | 77(6x+1)=180 | | 8x+(2x+5)=15 | | 5/7v=20 | | -9-10g=-10g+7g+5 | | -1=(n+20)/18 | | −3c−(−8)=29 | | 15+v/6=18 | | 3.8f+8.47=-7.48-1.7f | | 23=-4x-13 | | 3+22=10x-41 | | -14a=168 | | -8.6b-8.81=7.19+9.41-5.3b | | 5-1/4x=3 | | -1/2a=18 | | 4x+-4=-1x+-1 | | -9-7d=1+3d | | 8x-7=200 | | x-12.4=-18.3 | | 5-6t=1-7t | | 4x+-4=-x+1 | | 1+7y-10=6+4y | | x+9-5)=24 | | -x-4x5x=-33+11 | | x−12.4=−18.3 | | 9-3h=-3-5h | | -x-4x5x=33+11 | | 180=2x+174 | | M+6-4=-8+2m |