If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3+11r=-250
We move all terms to the left:
3+11r-(-250)=0
We add all the numbers together, and all the variables
11r+253=0
We move all terms containing r to the left, all other terms to the right
11r=-253
r=-253/11
r=-23
| -47=-62+x | | 10/5=27/x | | (a-2)/12=1 | | 6x-58=3x | | 3.1g+3=1.1g+9 | | 88=-x-5 | | 2(-8k+1)-4k=-138 | | -7(3v+5)-5v=-87 | | -6p+4=28 | | -10=-10+v/6 | | f=21-4 | | 65=-5+7b | | 6A+7b=53 | | -57=-7n-1 | | 3x^2-18x-13=0 | | Y=20x-60 | | (5x2)=4(2x+3) | | 37/42=x/16 | | t=3.5(4+5) | | 3n-n+7=27 | | t=3.5(4)+5 | | -8x-3x/2=11 | | (2-2r)^3=0 | | 3t-13=53 | | b/9=17 | | 3/x+1/x-4=1 | | 3n+n+16=80 | | 2v–5=3v+10 | | 2x+x+5=65 | | (5y+2)/5=2 | | 5a+2a=11–2-a | | 1.5/2=0.5/x |