If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2*3.14*28.7=c
We move all terms to the left:
2*3.14*28.7-(c)=0
We add all the numbers together, and all the variables
-1c+180.236=0
We move all terms containing c to the left, all other terms to the right
-c=-180.236
c=-180.236/-1
c=180+0.23599999999999/1
| -x+188=275 | | 115-x=190 | | 30=20+50*10^-0.04m | | 7(x+5)-2x-15=2x-10+3(2x+10)-2(x-5) | | 5/4(2-k)=2(3k-1)-2/4k | | (-4z-1)-(-7z+5)=6z-12 | | 4/5d-2=1/5d+1 | | 6n+2(-5n+6)=40 | | 3x+7x+22=180 | | 3(-7t+5)=-(-6t+336) | | 2x+10+4x+12=180 | | 1/5z+3=-z+21 | | 50+4x+12+2x+10=180 | | -4r+1=-15 | | 1/5n+2=-70 | | -46=-6-5c | | 4/3d-1=-9 | | 50+2x+10+4x+12=180 | | 4/3d-1=0 | | -1/8x-2=0 | | r-40=-20 | | 5(x-3=-4x+30 | | 4x+40=-8(x+7) | | 5(x-1)=-7x+43 | | x=75-0.3x | | -4c+3=23 | | 7v+8(v+2)=-29 | | 7(w-2)-3w=-30 | | 9=-6x+3(x+7) | | 535=65+5n | | 535=5n+65 | | 65+5n=535 |