If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5r-9=2r-12
We move all terms to the left:
5r-9-(2r-12)=0
We get rid of parentheses
5r-2r+12-9=0
We add all the numbers together, and all the variables
3r+3=0
We move all terms containing r to the left, all other terms to the right
3r=-3
r=-3/3
r=-1
| x-2/x+3=2 | | (1.25)+8h=18.20 | | 71-2x=70-x | | 8⋅(6+y)−5y=4y−67 | | 5(x-2=3(x+4) | | 150m-100m+48500=50250-200m | | 3=12y2=0 | | k/7-k/3=-24 | | 54/x=14/13 | | X+12x-2x=81 | | x+75+63=180 | | 1/3x=1/4x-10 | | w+90+28=180 | | 4x-3=9+7 | | 23=m9 | | (4r+6)(4r-6)=0 | | 9x-37=41-5x | | n-6/7=4/7 | | -8y=800 | | X-1/3=7+x/6 | | q-6=7q | | 2*(0.25x-7)=0.33x+4 | | 520x=1560 | | 21n=12n-6 | | 4x-6=6+2x | | 9^4x+40^4x-41^4x=0 | | -16+18p=-8+6p | | 26n=6n-8 | | 125x=65x | | 120+4y=180 | | 3(k-5)=12 | | 2-18x=-30-4x |