If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9r+6=15
We move all terms to the left:
9r+6-(15)=0
We add all the numbers together, and all the variables
9r-9=0
We move all terms containing r to the left, all other terms to the right
9r=9
r=9/9
r=1
| x+93+84=180 | | 11x+7-9x=-11+4x | | x+53+x+31=180 | | 19=12u-6u | | 9n-8n=11 | | x+77+99=180 | | 130=x+33+x+130 | | x-5+90=180 | | u−1=2 | | 12/b=-4 | | z=7+2 | | x+63+x+63=180 | | x-16+97=180 | | x-9+x+3=180 | | x-8+x+2=180 | | x-8+x2=180 | | 12-2b=30-5b | | x-8+x-2=180 | | x-8=x-2=180 | | -2t+4t=14 | | 2/3(9x+6=6x+4 | | x+97+x+67=180 | | x+83+70=180 | | 4/5x-2/5x-13=21 | | x+52+x+70=180 | | 2x-3=1x/3+1/3 | | z=-3.71428571429 | | 8c=6c+6 | | x+47+93=180 | | x+89+x+45=180 | | −14+2n=−16 | | 39/x=x/156 |