If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9c=189
We move all terms to the left:
9c-(189)=0
We move all terms containing c to the left, all other terms to the right
9c=189
c=189/9
c=21
| 2(a-5)=6(2a-3) | | 5(x-4)=2(×+5) | | 0=-16t^2+45t+4 | | 5^(2x)=5^(3x) | | 5^2x=5^3x-14 | | -4(-6x+1)+1=-2x-29 | | X=0,5x+4 | | 8t=67.6 | | 26=r/2-15 | | F(-5)=4^2-x | | -3a+a^2+4=0 | | 30=6x+2×2÷4+20 | | 3×(2x+9)=12 | | 2^x+1=1/1024 | | 2m^2-242=0 | | 10x͚-11=4x͚-7 | | 5x²—6x—3=0 | | 5y(3y-2)=0 | | 20x+x=1380 | | 2x/4−12=−9 | | 2x+36=3x+28 | | 1/4K-3+5/4K-1=3/8k+2 | | 2*x-1=10-3x-4 | | 2^2x=32^x+1 | | -1+7m=8m-10 | | 5x+23=2x+41 | | u+16=53 | | 5x+2=3x+33 | | 5p=4(1/2p-1) | | 1.28(f+3)=7.68 | | 4x+34=5x+27 | | 5x+3=1+11 |