If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(r-8)=0
We get rid of parentheses
r-8=0
We move all terms containing r to the left, all other terms to the right
r=8
| 3x^2-40x-48=0 | | -5(d-4)+3d-5=3(d+1-2d)+d | | 4^x2+6=0 | | 3(9x-2)+(x-130)=-6(2x-4) | | 10+4v=-14 | | 8.75n=61.25 | | x^2=8- | | (x-19)+4(5x+8)=4(6x-2) | | (0.4x)/0.5-(.1x-0.5)/0.2=(0.03+0.02x)/0.03. | | 20=15.40+1.64x | | 16v=45+7v | | (0.4x)/0.5-(.1x-0.5)/0.2=(0.03+0.02x)/0.03 | | -2x-10=6x-8 | | 61/x=305 | | 5^3x=25^x+1 | | 5(3x-5)+6(4x-3)=x-5 | | 29+14x=17 | | -3=-3f | | 6x-18=2x-4 | | 0.5n+7=n+14÷2 | | 3x+5=30x+2 | | 0.9-0.72y=2.58 | | 6=7/9x | | 3/2(2/3(1/4x+1)+2)-21/2=2x/3 | | 4(2×-4)=8×+k | | 5-8(-7k+3)=205 | | 6(3x-4)-3(2x-5)=x+24 | | 2(3(4(5x-1)-8)-20)-7=1 | | 480=-4x+8(-8-8x) | | 20(x+3)-4=56 | | .89=w/7.9+.14 | | 3x+3=195 |