If it's not what You are looking for type in the equation solver your own equation and let us solve it.
6c+3c+18=54
We move all terms to the left:
6c+3c+18-(54)=0
We add all the numbers together, and all the variables
9c-36=0
We move all terms containing c to the left, all other terms to the right
9c=36
c=36/9
c=4
| -7(x-13)=-126 | | 3x+x+8=10x-6x+8 | | 4m+7-2=-10+m | | 6x+29x-3=7(5x+1) | | -6=n/8=1 | | 61x+939x-79=20(50x+27) | | 5.7=1.9x+19 | | X+15=9x | | 3x+1×=20 | | 3x+×=20 | | 4(3x+2)=15x+7-3x+1 | | 6x+14-7=5(4x+5) | | 7/y=22 | | 6=1.5÷x | | y-1/2=21/2 | | Mx6=21 | | 6+10x=2x | | 8|5–m|=64 | | y-1/2=-21/2 | | 8a+-15=7 | | 40-2x=30-x | | -2(x-20)=6(2-0.5x) | | x÷4+11=-4 | | 3.29x+9.87=19.74 | | -5=4y+8 | | 36=2w+3 | | y=18/3^2 | | 5(y+2)=70 | | 36=3+2w | | 3(z-7)=8(z-8) | | 3k-+4=-2-6k | | 22-7x=-10 |