If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r/13=12
We move all terms to the left:
r/13-(12)=0
We multiply all the terms by the denominator
r-12*13=0
We add all the numbers together, and all the variables
r-156=0
We move all terms containing r to the left, all other terms to the right
r=156
| 4+m/3=7 | | 10x-4x-8=-20 | | 4+4r=1+5r | | y/5-11=29 | | 5x+6=1x+5 | | 2(6p-5)=3(p-8)-1 | | -4+7x=5.5x+5 | | 5x+6=1x+ | | -10+2y=0 | | 6a-6a+10=10 | | -15=7-c | | 2-h/3=2 | | -8=2-4y | | 8(x-3)+8=7x+11 | | -5(-2m-7)=3m-14 | | 6a+7=3a+2 | | 6a+7=3a=2 | | 6=x+1+5 | | 8=2-4y | | 6b+30=6(5b+1) | | 3x-15+2=2x | | 7-3v=7-5v | | 5x-12+7x=4(4x-4)+2 | | 5+c/3=6 | | 5x-15=5x-20 | | x+15+2x+28=13x | | (B+45)+(2b-90)+3/2b+90+b=540 | | (10x/4)=2x+3 | | 8-3/8w=-9 | | 6n-4-4=16 | | 2+-4y=14 | | -8+6p=5(5p+6) |