If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-12=2.4+r
We move all terms to the left:
-12-(2.4+r)=0
We add all the numbers together, and all the variables
-(r+2.4)-12=0
We get rid of parentheses
-r-2.4-12=0
We add all the numbers together, and all the variables
-1r-14.4=0
We move all terms containing r to the left, all other terms to the right
-r=14.4
r=14.4/-1
r=-14+0.4/1
| 16=4x-20-6x | | 2/5=y/45 | | -5(4f-2)=2(5-10f) | | K(x)=-5×^2-125 | | 3(x–3)=5x–4+3(7–x) | | 5(2x-1)=6x-17 | | 4/5=-1/7+s | | 5a^-20a=0 | | 6x-3+5=4x+19 | | -8c+10=8-6c | | 2(x-6)+2=4x+2 | | -6.3=r/3 | | 23=6/7+b=8=3/8 | | w/12=11 | | 3/5(y)=-9 | | 5r+6/6r=7 | | z-20=2/3=-8=1/6 | | -5(x-4)=-65 | | D=t+12=28 | | 45,000x+2,500=54,000x+1,500 | | 8q=52 | | N+4=6n-16 | | 17604=s2934 | | D=t+5=14 | | z-202/3=-81/6 | | 2(2x+7)=-2(3-3x) | | v=2/3-1/6 | | 10-(2a+5)=20 | | -4(m-2)=-16 | | x+4+8x+3=106 | | 45,000x+2,500x=54,000+1,500x | | 3(x-2)-(+5)=17 |