If it's not what You are looking for type in the equation solver your own equation and let us solve it.
66-2x=12
We move all terms to the left:
66-2x-(12)=0
We add all the numbers together, and all the variables
-2x+54=0
We move all terms containing x to the left, all other terms to the right
-2x=-54
x=-54/-2
x=+27
| 3(3y-12)+5y=34 | | 1/2(4x+13)+1/2= | | 16=9t-27 | | 1/3(y-6)=4y-2/3(2-y) | | -6=x+(-4) | | t/7+3=11 | | 14v+5=19 | | 6x–4(3x–5)=2 | | 3(x+3)-3x+12=0 | | r+53=7 | | (q+4)(q-6)=6 | | 3y-6=y+9 | | 5x^2+7x-90=0 | | 7r+13=20 | | t/64=9/8 | | -29=4y-5 | | 53=−4g−5 | | 15a2+45=0 | | 4x+5+5x+9=7x+2x+11 | | 82=-6x+4(x+17) | | 12.25q=0.5q+3.75 | | 26=2(u+5)-6u | | X2+100x-1200=0 | | -28+3m=-48 | | 2(c+3)=6 | | 2x+3=-14 | | 7t+11=18. | | 4b+4=16 | | 3(r+3)=12 | | 0=-5x^2-90x+127 | | 1+4y=29 | | 5q+15=20 |