If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r/20=-12
We move all terms to the left:
r/20-(-12)=0
We add all the numbers together, and all the variables
r/20+12=0
We multiply all the terms by the denominator
r+12*20=0
We add all the numbers together, and all the variables
r+240=0
We move all terms containing r to the left, all other terms to the right
r=-240
| x2=1x+90 | | 100=w/3+10 | | x+50/2=42 | | 8=15/1/3n | | X-23=8x= | | -17g=-4315-5g | | 3(2s)=30 | | -4x–3=9 | | 4x-x+3-4=4x-12 | | 24a-22=-4a(1-6a) | | p/12+3=18 | | 4b+21=253 | | 1.0646=9/x | | 4+x/3=-5 | | -1=-x+6 | | -5-8(1+7v)=-8 | | 2s+2s+2s=99 | | 9g=270 | | 72=3y-15 | | x/2x-3+4/x+1=1 | | w/10+1=12 | | -1=-x/4+(-2) | | (2k+1)=(k-4) | | s+1.8=18 | | 3=3q-12 | | 0.09=1.2-3.7x | | 10x-3=15x-4 | | –10n=–3n+5(–2n+9) | | 2x+3+x+9=90 | | 0,2x+0,2x-6+222=x | | -38-7k=-2(-6k+7)+5k | | 8=-3x-4* |