If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15=r+2
We move all terms to the left:
15-(r+2)=0
We get rid of parentheses
-r-2+15=0
We add all the numbers together, and all the variables
-1r+13=0
We move all terms containing r to the left, all other terms to the right
-r=-13
r=-13/-1
r=+13
| -5=c-18 | | 2r-5=3r+10 | | 13+5e=7 | | 7a+5a=48 | | –5=c−18 | | 9w=w+74 | | x/3+3x/9=10 | | 11t+32=3t+8 | | y+4(2y-2)=3(y+4)+4 | | 4(2x-7)=5+5x | | m-7=3m×4-7 | | 20/n=35/42 | | 8n+7=13+7n | | 1÷3y+9=12 | | 3/4t+1/3(21+t)=11 | | 7x-33=3x+27 | | u-16=3u+4 | | 6x–2x=20 | | 9a+1=7a-9 | | X+3×5=35x | | .6x–2x=20 | | x-3=-x-17 | | 5×x+3=35x | | 4m-8=2m+8-8 | | 15+4h+2=1-5h | | 13a-21=5a+19 | | (y-7)-1=10(y-7)3-1 | | 9x+4=2x-711x=-11x= | | -x-3=-4x+27 | | a-21=-5a+9 | | -10x^2-7x+1=0 | | 40x+8(1.5x)=3406 |