If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18c+2c-15=5
We move all terms to the left:
18c+2c-15-(5)=0
We add all the numbers together, and all the variables
20c-20=0
We move all terms containing c to the left, all other terms to the right
20c=20
c=20/20
c=1
| 9/4t=8/9 | | b4− 1= 2 | | 7n-4n-n=18 | | (3x+94)+(x+30)+(2x-4)=180 | | 4z=1.1+4.1 | | 2+6n=9+2n | | 6p-6p+p=15 | | 3x^-3=0 | | 2s+4s+5s-7s=20 | | 6/7h-12=3/14h+15 | | 3x^2-6x-14=-5 | | 4(3x+1)=15x-7 | | 2x+9=x-15 | | 3+|1-x/2|=5 | | X^2+3x+27=6x+7 | | y/73=-82-(-1383) | | 3(c-18)=87 | | X/2+x/6=7+x | | 4x+2x^2=180 | | -0.025x=82.6 | | -2(x-7=28 | | (5a-3a)+(8+7a)=0 | | d4− 1= 3 | | 2(x+4)=x-4 | | -x-10=-10 | | 4x−x+5=14 | | h-6=4 | | 2x+3(1-2x)=x+8 | | (5a-3a)-(-6a-6)=0 | | 1/2(3x-4)=5 | | y/17=-24 | | 16=j2+12 |