If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x-69=12
We move all terms to the left:
3x-69-(12)=0
We add all the numbers together, and all the variables
3x-81=0
We move all terms containing x to the left, all other terms to the right
3x=81
x=81/3
x=27
| 6+2y=21 | | f(3)=0.15^3+3 | | 0.5/1=2/x | | 27=r-18 | | 134=w-;7 | | -7x+5=4x-6 | | x-18/100=100 | | 17-2x=-7x+2 | | 35x+3=49x-66 | | 5^5x−4=47 | | t=39t+4 | | x.88=-88,000 | | t-31=8 | | -2m+1000=4m+20 | | -3.7(-6f+16)=-2 | | 2x^2+4x-94=0 | | 0=55-(1.6*d) | | 3h=201 | | 60/16=45/x | | {3}{5}g-{1}{3}=-{10}{3} | | 20+12x=9x-10 | | 16/60=x/45 | | 32t^2-5=45 | | -k3=-51 | | 8x15=71 | | ⅖x-⅓+⅓x=4 | | 6s^2=0 | | 3p+17=43 | | 16000/1=x/45 | | k-12=-4 | | 10+s=7 | | 8+x/7=19 |