If it's not what You are looking for type in the equation solver your own equation and let us solve it.
10r-10=8r
We move all terms to the left:
10r-10-(8r)=0
We add all the numbers together, and all the variables
2r-10=0
We move all terms containing r to the left, all other terms to the right
2r=10
r=10/2
r=5
| H^2(h+7)^2=13 | | | | | | x-105=0.25x | | 3(j+19)-(-4)=7 | | -8-2-7+1=1/4(20)e-e | | 75+9a+6=180 | | -9x+4x+12x-5=100 | | 10m-5=7m+7-m | | 2-(x+3)=-2x-6 | | Y=1490x-180 | | 63=x+13+3x | | Y=180x+1490 | | 13x=1343 | | 21x+39=8x | | -6x+5=11-7x | | 2x-2(8x-15)=2 | | X=180y | | -4(a+2)-1=5a | | 16b^2-8b-15=16b | | 5x+3(x+10)=98 | | 8y=20+6y | | 2x+1=2.5 | | x-12=55/5 | | 2(4x-9)=5x-9 | | 13x+55=60 | | 2(x2-6x+9)-8(x-3)+6=0 | | 5x+9=200 | | w+1+91=180 | | 2–3n=2n–8 | | -10=n+(-15) | | -2+2(-k-9)=-4k |