If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12x=+9=8x
We move all terms to the left:
12x-(+9)=0
We add all the numbers together, and all the variables
12x-9=0
We move all terms containing x to the left, all other terms to the right
12x=9
x=9/12
x=3/4
| (x+1)2=19 | | 5n-4+2n=3+7(n-1) | | x-1/5x=375 | | 18j+20=-28+2j | | x/62.5=0.04 | | x/10+3=8 | | 1/3(9x–6)=1 | | 5-2(3x-(x-2))=1-x | | 4p+1-5p=7+1+4p-3 | | x+30+x+3/5x+2/5x=360 | | 13^y=21 | | z/7+9=10 | | x-28=22 | | 2x(5x+6)=7x | | -23+7x=-6+x | | 8k+2k=0 | | 10-x/4=2 | | C=55-4c | | 4-2(5-2x)=0 | | j/4=19 | | y-1/6=4 | | -2.6+n=-4.3 | | 3-5v=-25 | | 1/2(y-6)=2y+10-y | | 3-5v=-22 | | x+1.2=8 | | j-62=14 | | 17t/10-t/2=1 | | 2x+6=-2x+10 | | (3-z^2)/z=3 | | 243.60=x+.20x | | 8x+10=10+9x |