If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5x+4x+4x-12x=9
We move all terms to the left:
5x+4x+4x-12x-(9)=0
We add all the numbers together, and all the variables
x-9=0
We move all terms containing x to the left, all other terms to the right
x=9
| 2(x+2)-x=3 | | 3(p+5)=45 | | 6x+10+4x-12=180 | | d^2+37=38 | | 13−4n=1−n | | 6.3=x/3 | | 3x-2x2+10=0 | | 4/x=48/60 | | 11x-2=2x | | 9x2+3=7 | | 13.7+b=18. | | m^2-74=-70 | | -6x=12=24 | | 3p+13=46 | | 2x-16=3x-2 | | 4x-10=4+6x | | 5n−2n=15 | | 25=9y-2 | | r4+4=5 | | 32z-23z-18z+5z+6=48 | | 3/x+6=-2 | | 1.3x-4=0.75 | | 2×n=3 | | 9m-7=20 | | 23u+4u-23u+9u-3u+1=41 | | 9m−7=20 | | 23.42-x=88 | | 6x=15=93 | | 13a-11a-a=4 | | -7/2n=10 | | 15=3x5 | | 13a−11a−a=4 |