If it's not what You are looking for type in the equation solver your own equation and let us solve it.
1-r=-2
We move all terms to the left:
1-r-(-2)=0
We add all the numbers together, and all the variables
-1r+3=0
We move all terms containing r to the left, all other terms to the right
-r=-3
r=-3/-1
r=+3
| 3x-4=-4x+3 | | 3÷z=12 | | 39=6x+x+4 | | 5y-y=30 | | -4(5x-2)+3(7x-3)-6=5-2 | | O.5x-(-x+3)=x-5 | | -n/6=4-(-2) | | 7c-8-8c=34 | | 11-y=18.2 | | 21/8y=21/2 | | Y=3/5x+7 | | (4a=3)(8a+7)=0 | | 38+1+5w=64 | | 350+8=10x | | 1-3x/6=x-2/3 | | n/6=1/2 | | 5+2x=5-3x | | 6x+29=3x+124=180 | | c-3/8=3/10 | | Y-200=20x-100 | | -5.1=1.3+y/5 | | 5x+28=3x+36 | | 2x+1-3x=14 | | 9x+3=6x-4 | | w+1/4=5/8 | | 3^x-7=3^3x-10 | | -3=(3/9)+b | | 1260=180(n-2)/n | | 2y-3=-23 | | 3x-9-2x+10=1 | | t-109.3=184.9 | | x+9(0.5x-1.25)=-1 |