If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13+c=8
We move all terms to the left:
13+c-(8)=0
We add all the numbers together, and all the variables
c+5=0
We move all terms containing c to the left, all other terms to the right
c=-5
| (5x-4)/6=11 | | w/25=26 | | m2=–34 | | 2x=16 | | 2.5m+5=65 | | x+3º=30º | | 11=k/11 | | 152=g+45 | | b/8=29 | | d2+36=0 | | 7n-3=333 | | 1/5(10x-15)=1/2(8x-18) | | 196=7q | | 7n-3=33 | | -8=r+3 | | d/7+29=36 | | 12x-2+3x+17=180 | | x4-2x3-8x2+10x+15=0 | | 16c=496 | | 7(z-86)=70 | | 23c=943 | | 56=9+t | | 7.07x+100=49.9849+10x | | 1/5(10x-15=1/2(8x-18) | | 7=-2+m | | 55x+1745x-72=36(50x+52) | | (-2x-5)•x= | | 3n+11=272 | | 585=5z | | –d−9=–2d | | 2g-11=5 | | 8y+6y=18 |