If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-18-17c=-15c
We move all terms to the left:
-18-17c-(-15c)=0
We get rid of parentheses
-17c+15c-18=0
We add all the numbers together, and all the variables
-2c-18=0
We move all terms containing c to the left, all other terms to the right
-2c=18
c=18/-2
c=-9
| 259(40d+93)=835(32+58d) | | 2h-4(h-5)=40 | | 2p+2(p-1)=22 | | 0.4a-1.2=0.3a+0.6 | | -9+3d=5d+9 | | s/3-15=19 | | -19k-(-10k)-(-k)=16 | | x*14x=180 | | -1+8v=9v-10 | | -19k-(-10k-(-k)=16 | | 90-w=221 | | 2q=3q+8 | | 8m+13=11+2(1+4m) | | 5-8t-3=-8-9t | | 269-w=170 | | 4+6x=9x+3 | | 9-6t=-9-9t | | 2(s−8)=2 | | 4/5n-8=2 | | -8=-8(d+8) | | -10g+10=-8g | | 128=-v+197 | | -5m+11=21 | | 4x+6=9+3x | | 3z-10=7z+6 | | 2x-63=-9x+14 | | 10=1/2(x+8) | | -v+8=-2v | | -v+48=258 | | -2s+9=s | | 2(c+2)=12 | | -7b=-6b-1 |