If it's not what You are looking for type in the equation solver your own equation and let us solve it.
c/3=3.9
We move all terms to the left:
c/3-(3.9)=0
We add all the numbers together, and all the variables
c/3-3.9=0
We multiply all the terms by the denominator
c-(3.9)*3=0
We add all the numbers together, and all the variables
c-11.7=0
We move all terms containing c to the left, all other terms to the right
c=11.7
| 4(x+7)=-20 | | -4(2v-7)+8v=6(v+6) | | 8-4s=s13 | | 7+25=42b+18 | | -2|3x-6|=-12 | | 15w-4w(3w-1)=19 | | 4x-3=-12x+1 | | 1-6r=7+r-8r | | 8-4s=s=s+13 | | 16=d-4/14 | | 3+2/5w=1/4w-7/10 | | 12.3/602=n/1290 | | -5(x-6)^2-15=-30 | | 8-3n=-8+6n-n | | |4b|–3=9 | | 0.99x=10+0.89 | | 12.3/602=1290/x | | 9c−8c=18 | | 2(h−8)-h=h−16 | | 5x-48+2x+30=180 | | 6(x-6)+4=-32+6× | | 2(h−8)−h=h−16 | | 34=28-0.4y | | 19=15w-4w(3w-1) | | 10-3(p-4)=|7| | | 2x+1+47=180 | | 8-(3x-4)=-4(2x+5) | | (4x+10)+(13x)=180 | | 2+5x=6x-7 | | 36=3x=7x | | 100(8x-10)=50(502+100x) | | -3(4v+5)-(2-2v)=23 |