If it's not what You are looking for type in the equation solver your own equation and let us solve it.
45=12x+9
We move all terms to the left:
45-(12x+9)=0
We get rid of parentheses
-12x-9+45=0
We add all the numbers together, and all the variables
-12x+36=0
We move all terms containing x to the left, all other terms to the right
-12x=-36
x=-36/-12
x=+3
| 2^7=2^2^y+^1 | | 20x=260=-16x | | -12x+39=-4x–17 | | n/17=-20 | | 10–3x=1 | | x/4+x/6+10=x | | ( | | 16+7n+n=8n+4n* | | 2y+5/4=26/3-y | | | | | | 0=4x^2+20x-26 | | 25x+1=7x | | 2m/3+5m/4-7m/12-m=(-2/3) | | x^2-5x-18.75=0 | | -5x−2=-3x+8 | | m/3-4/5=7/10+m/2 | | 48-3x=6x-60 | | 4-t/5=13 | | −14x+5=7 | | 5(2x+8)=2(5x+19)+2 | | n/4+n/6=n-10 | | 2(11+4p)=8p+60 | | ?x3=2x3+2x3 | | 0.20x+13.5=28.5 | | 6y+1=54 | | 120=1.2/x | | 32=x+14.5 | | 5x-21=4-3 | | 8x+7=(5x-3) | | 6y-1=54 | | -0.58x+0.38x=6.4 |