If it's not what You are looking for type in the equation solver your own equation and let us solve it.
30c=780
We move all terms to the left:
30c-(780)=0
We move all terms containing c to the left, all other terms to the right
30c=780
c=780/30
c=26
| (x)^0.5=x-6 | | 0.08w-1.75=8.13 | | 784=14c | | 2(x+3)=3x+3+x | | p/25=26 | | 7+0.3b=2b+22 | | 2x+5(-2x-5)=-15 | | s/8=28 | | 9=–7r+4r | | 5x-3=4-9x | | 4(x-5)=4+8x | | 2(5-x)=1/2(-4x+20) | | -4x-80=-16 | | 21=q+14 | | 2y+1=9+8y | | 4x+23+10-1+78=180 | | –3z–4=-1 | | 10x-140=80 | | 89x+276=365 | | -8y-4=5+7y | | 7+0.3b=2b=22 | | -x+8=x+6 | | x+(x+10)(x+5)=108 | | 30^x=0 | | y9=−6 | | 13+6x=2(1+2x)-5 | | 5x-2+x=6x+8 | | 5x-4=-x+20 | | 4/7Xn=14 | | –4.8r=2.4 | | 5/8=25/b | | 8u-32=8 |