If it's not what You are looking for type in the equation solver your own equation and let us solve it.
8c-c-9c+6=40
We move all terms to the left:
8c-c-9c+6-(40)=0
We add all the numbers together, and all the variables
-2c-34=0
We move all terms containing c to the left, all other terms to the right
-2c=34
c=34/-2
c=-17
| 19=9+2r | | F(x)=-50x+500 | | 12w-7-3w=-61 | | 12+3=(-4x-1)+5x | | 11=k/12+10 | | 8(6x-1)-2=(4x+3) | | -7m+10m-8=25 | | 17=5+3t | | 7x-3+2=(9x-1)+6 | | 1.4x+14x=2 | | w-4.6=6.1 | | 5y-3-2y=-6 | | 60x+2=210 | | 2^x+x=37 | | x-27+x+15=180 | | 2x+7=4x-19=24 | | 2x+6+4=56 | | 7q+3=2q+5 | | -18-x=-12 | | 6p+1=-3p-44 | | 14+5v=12v | | -1x+4x+6=9 | | 7(x-1))-3-8x=-9 | | -8(t-2)=40 | | -2(-4x+5)-4x+1=-49 | | 5(c+12)=4(3c+10) | | (x-4)(x-6)=18 | | 45=-17=x | | -5(-1x-1)=15 | | 5-(1+2a)=6a+28 | | -4a-32=-5(a+8)+7 | | v-2/7=-1 |