If it's not what You are looking for type in the equation solver your own equation and let us solve it.
8+1-2r+7r=r-3
We move all terms to the left:
8+1-2r+7r-(r-3)=0
We add all the numbers together, and all the variables
5r-(r-3)+9=0
We get rid of parentheses
5r-r+3+9=0
We add all the numbers together, and all the variables
4r+12=0
We move all terms containing r to the left, all other terms to the right
4r=-12
r=-12/4
r=-3
| 32=3|6x+2|+2 | | 70=8k-10 | | -6+6v=v-6+5v | | 0.3+0=7x/x=0.85 | | 1+6p=7p+9 | | 5^2=16r+16 | | 2x/3=10/9 | | 3x+2x=-6x+5x | | x^+(x+3)^=117 | | H(x)=5x=3 | | 2(3x-3)+2(4x+2)=180 | | 2(3x-3)+2(4x+2=180 | | 4v+6=5v+2v | | 3(2-4(x+1)=-x | | 7+5-4a+1=6a-7 | | 3x+-15=35 | | 16+m=m | | 4p-16=4 | | 5a+6-7a=12-3a | | -x+7=-x+6 | | 8-2r=-7+3r | | −2(−3x−1)−4x+3= 25 | | x/(-2,2)+6=10,4 | | 1+x=-4+2x-4+4 | | Lx+3.5=6.4 | | 3(x+10)=2(x+20) | | 10x-1+14x-37=180 | | 5=-9/8(x+8) | | 5(x+8)=8(x+2) | | 14+6v=-4v+8v | | 8^2m-5+4=48 | | 3(k-1)=2k-2 |