If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-12r=-15r+15
We move all terms to the left:
-12r-(-15r+15)=0
We get rid of parentheses
-12r+15r-15=0
We add all the numbers together, and all the variables
3r-15=0
We move all terms containing r to the left, all other terms to the right
3r=15
r=15/3
r=5
| 7s-19s+9s=-15 | | (4y+7)(y-1)=0 | | 20+12w=2+11w | | 11+6v=5(v+3) | | -87=f/8+-79 | | f(2)=2*2=4 | | (x+40)+80=180 | | 20-2u=-20-4u+10 | | -3x+19=28 | | -1/5(-8x+6)-7=1 | | 4n-6=^2 | | 5x-(3x+5)=-3/2(6x-2)+7 | | 10p+4=-2(-8p+5)-(-4-3p) | | -7y+20y-12y-4y=15 | | 8(4x+6)=4x+10+6x+12 | | 6a+24=6a-24 | | 16.5h+13.53-17.3h=-13.94-7.5h | | 12x-3=3x+27 | | 90=3x-1+x+7 | | k=2/6 | | 18-2v=v-15 | | k=2/64 | | 3(2x–5)=9 | | -90=-5(-4p+2) | | 4x-2(x+4)-2=-4(x-8) | | 12/42=r | | 5+19k=18k | | 5-2(1/2x+3)=11 | | -2z-8=z+15-5 | | 16h-12h-6h=15 | | 5w−10=25 | | 7.9=-7w+12w-6 |