If it's not what You are looking for type in the equation solver your own equation and let us solve it.
XX12-128=246
We move all terms to the left:
XX12-128-(246)=0
We add all the numbers together, and all the variables
XX12-374=0
We move all terms containing X to the left, all other terms to the right
XX12=374
X=374/1
X=374
| 3h–5=28 | | 4(2x-1)+5=911x+6=5x3x-1=x+1 | | 3/8x=15/7 | | )10+32=216−2a | | 6x+23=-1 | | 7x+4=-12+8x | | -2x+5+x+6+4x-x=31 | | x+3x+3x-4=38 | | x+x-30+x-30+3+40=100 | | x+3x+x+1=15 | | 8x−5=6x−13 | | y+3y+10=180 | | y+4y+10=180 | | 39x+117=858 | | 2x-6-7x=9 | | 16y+84=144 | | 10x-3+2x+6=27 | | 2x-1+x=8 | | 7p=323.4 | | y=0.14+0.5*90 | | 25=9x2º | | 249.90=7/10*p | | 2x/5-x+4/3=0 | | 30/5x=1 | | 2x/5–(x-4)/3=0 | | 10+3(2x–4)=17–(x+5) | | 5*1-x=15 | | (1+r)^10=2.2 | | 1,5x+0,7=-0,3x-0,75 | | 15xx=1000 | | 6x–(x–2)=3x+11–x | | x+2x+3x+4x+87=10x |