If it's not what You are looking for type in the equation solver your own equation and let us solve it.
19.2-c=-21
We move all terms to the left:
19.2-c-(-21)=0
We add all the numbers together, and all the variables
-1c+40.2=0
We move all terms containing c to the left, all other terms to the right
-c=-40.2
c=-40.2/-1
c=40+0.2/1
| 39k=2067 | | -12x+34=9x-20 | | 70=5v+10 | | X=4/5•y^2-3 | | 21=4q+9 | | 20=9x=2-6x | | 8x+4(4x-3)=4(6x+)-4 | | 7y+20=6 | | 2w-13=5 | | -10x-3=2x+2 | | 6c+-12c+2c−c−-12c+2=9 | | 2u+11=25 | | -18=-10+2m | | 4=b+6/2 | | a/29=5; | | 6.2=2.2-0.5x | | 4t-2(t-2)=-9+5t-8 | | 4x2+37x+330=0 | | 3-(d-3)=25 | | 2(x+3)+x-1=1 | | 21(2-x)=-9(x+3) | | -(x/5)=20 | | -5(k-2)=-25 | | -5(r+7)=-67 | | 5x+6x=2x+18 | | 5/6y+1=−13y+4/9 | | 9x+5+2x=50 | | 6-4p=6p-8p+2 | | -4x-3=18+3x | | h+3.5=-3.2 | | 4x+10+2x-2=48 | | 7v+25=4 |