If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.03x=12
We move all terms to the left:
0.03x-(12)=0
We move all terms containing x to the left, all other terms to the right
0.03x=12
x=12/0.03
x=400
| +8-5x=-12 | | 9x/9=180 | | 2+1|6a=-4 | | -3x+12+9=21 | | 6x+3x/9=180 | | 1.75x=6.2 | | 3x-5(x-4)=-7+4x+9 | | x-5/9=1/10 | | 6+n=2•1/2+3 | | 2n^2-6n+5=0 | | 10=6p-14 | | x-3.1=2.3 | | r-36.7=78.2 | | 6(x+3)-4=5x+23 | | 2(x+5)=4x+6x-2x+4 | | 9y+2y=90 | | 8x+28x-7=9(4x+10) | | 4x+6=-5x | | x+.05x=3703.39 | | 5=7s | | -8(f−99)=0 | | 6x+29x-4=7(5x+2) | | c/6+91=100 | | 4w=25.6 | | 12x+6=12x-2 | | 12x+6=12x-22 | | 25=5(q-90) | | 22=2(d-59) | | 2d+10=7d | | 19=-11+g/8 | | X+8/5-x+4/2=7/20 | | b-(7/4)=(-2/3) |