If it's not what You are looking for type in the equation solver your own equation and let us solve it.
42=6c-12
We move all terms to the left:
42-(6c-12)=0
We get rid of parentheses
-6c+12+42=0
We add all the numbers together, and all the variables
-6c+54=0
We move all terms containing c to the left, all other terms to the right
-6c=-54
c=-54/-6
c=+9
| x/7+3=-3 | | 3s−10=–4 | | b/2+6=18 | | 3{x-5}=18 | | (13-x)-x=6 | | 9y-72=81 | | 4(3j+9)=2(7j+8) | | 4x-(2x+3)=-3x-8 | | 9y-90=81 | | 18=3x-19 | | 6–5x+(3x–10)=x | | u=4*3−3 | | x/3=5/6-x/4 | | 6-9x=7x-9+13 | | 20(5x+1)+6(3x-13)=15(5x-1) | | b=2*2+7 | | x+2x^2=210 | | 9w-55=67 | | y=6*6+1 | | 6x+7=-(-4x-1) | | 9z-3=7 | | y=6*4+1 | | 3(x+3)=7x-6 | | 3(v+2)+7v=16v | | x-1.5=6.75 | | 21w+42=-1 | | x-11/2=63/4 | | 4b*7=28b | | 2n+5=15-3n | | 4((x-3)=-24 | | 3(3x−1)−5(2−7x)=15−(4x+4) | | 7(3w+6)/5=-1 |