If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9r+4=85
We move all terms to the left:
9r+4-(85)=0
We add all the numbers together, and all the variables
9r-81=0
We move all terms containing r to the left, all other terms to the right
9r=81
r=81/9
r=9
| 25=2q-71 | | 3(f+10)=99 | | 8(3+w)=7(3+w) | | 8x-3=9(x+7) | | 3(q+10)=69 | | 8n+7=95 | | 3a-13=-28;-6,-5,-4 | | 20+4f=48 | | 6x+2-2=13 | | -2x+2(-2x-6)=-16-2x | | 5(y+5)=6(y-2) | | x+1/2x+1/3x=11 | | -3g-4=11 | | 16x=6x×100 | | 72=17x-9x | | 72=17x-9 | | 6.2m+4.2-12.6m=7.4-6.5m-3.2 | | X^2+24x+112=0 | | 6=5y+y | | 9(s+4)=99 | | 28=7+3w | | -2x+2(-3x-6)=-16-2x | | 20=4w-4 | | 6x+6-9x-7=9x-12x-4 | | 5y(y+5)=6(y-2) | | (x^2-2016^2)^2-8064x-1=0 | | -25x2+4=0 | | 2+5w=-8 | | (3)^2x-30*(3)^x+81=0 | | 9x-(8x-2)=2 | | 3^2x-30*3^x+81=0 | | -31=-w/4 |