If it's not what You are looking for type in the equation solver your own equation and let us solve it.
79c-120=-21
We move all terms to the left:
79c-120-(-21)=0
We add all the numbers together, and all the variables
79c-99=0
We move all terms containing c to the left, all other terms to the right
79c=99
c=99/79
c=1+20/79
| -9+5m=-15 | | (5x-3)+(13x+4)=180 | | -15v-1.22=12.7-13.4v | | 6x8=2+9x1 | | 0.15x=3.6 | | 1/2-1/8q=4q-4 | | 14*4c=269.50 | | 17×a=85 | | -12x+-29=19 | | -4x^2-28-48=0 | | (x/2)+(x/5)=1 | | 8y=-3(1/3y+1/3)-17 | | 10+x=5(1/5x+20 | | 31/2s+10=64 | | 14=3w-4 | | -6m-18=-17m+16+9m | | 4(3x+40)=2(x+50) | | 22+-10y=-38 | | 3x/8-1/4=1/2 | | -6x+5+7x+10=20 | | 18q-14q-3q=12 | | -2(v-32)=-100 | | 9(y+6)=2y+26 | | 20+18r=4+14r | | 18-3(2p+4)3p=3(2-3p) | | .8x-5.6=-1.6 | | 32=p+19 | | 9m-17=-23 | | 3/4m-4=-16 | | 3t/8+5/4=2 | | 5(2x-7)+42-3x=2x= | | -12g=10 |