If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2r=8.4
We move all terms to the left:
2r-(8.4)=0
We add all the numbers together, and all the variables
2r-8.4=0
We move all terms containing r to the left, all other terms to the right
2r=8.4
r=8.4/2
r=4+0.4/2
| 12-28a=152 | | 5z=600 | | Y=-4/3x+11 | | -28=r/7-25 | | 4(v+4)-7v=-5 | | -2(6-8c)=-140 | | 15-x=38 | | 6+x+10=5x | | 5(2x3)=10 | | 25x-425=725 | | -5x-4/3=12 | | x+5+3x-7=0 | | -2(3x-8)=22-9x | | X/2=(5x+2) | | 5(2x=3)=10 | | 6/x+9=14 | | x/(-18.1)=9.4 | | 7.5=3c | | 86=6x+2 | | -8(8p+2)=-8(1+8p)-8 | | 6(2x-3)=3(2x) | | 3x+7x+7=12x+10-2x | | 5(v+2)=1+5v | | -9(9-4v)-9v=297 | | 2.7x=8.4 | | 6u-18=3(u+2)= | | 6r-5=2r+5r | | 4(2+7v)=-4(-7v+2)-6 | | -2(4y+1=-8y-2 | | 36=t/3+31 | | 7x+5-3x+8=42 | | 2(-7x+3)=-x+2 |