If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2(r+2)=20
We move all terms to the left:
2(r+2)-(20)=0
We multiply parentheses
2r+4-20=0
We add all the numbers together, and all the variables
2r-16=0
We move all terms containing r to the left, all other terms to the right
2r=16
r=16/2
r=8
| 13.8q-6.66=15.1q+13.36 | | -9r=-10r-1 | | 2x+20+6x-20=180 | | 2x−7=10−3(4x−6) | | 5n-9=2n+5+n | | 7(k-1)=105 | | 6=5(c+2.2)-10c | | C(h)=35h+35= | | y/8+(-36)=-41 | | 45+8y=303 | | 1/2m-2=m-1/4 | | 7+14m=2m-5 | | 6p+13=9p-5* | | 2d+17=4d−3 | | 19-5k=-20-10-16 | | 10c+5=9c | | 16.2f+18.01=-7.59+14.6f | | (x+110)=110 | | 12x2=-56 | | -3x+6+5x=20 | | 2(v-5)=2 | | 4(x+2)-3=3(x-1)+4 | | (3x+9)+(6x-27)=180 | | -3x-31=17+x | | –(6x+8)=4(17-x) | | -14=-6+w | | 10(-2+p)=150 | | 21x+31-5=7 | | 10(n-3)=3(2n+9)+4n | | d=31/825+82/8 | | 2(x-6)+2x=16 | | 6(3x7)=7x+13 |