If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
x+12 = x/10+3/10 // - x/10+3/10
x-(x/10)-(3/10)+12 = 0
x-(x/10)-3/10+12 = 0
9/10*x+117/10 = 0 // - 117/10
9/10*x = -117/10 // : 9/10
x = -117/10/9/10
x = -13
x = -13
| 14+3a=-24-1 | | 36-3n=6(4n+1) | | 6a=0.9 | | -21.6-y=33 | | 2a+a=72 | | 14x+19=6x-73 | | -44s-2=-5.5s-4.2 | | -2x-5=14x+1 | | -4=t-5 | | 2(w-3)=4(w+2) | | 28+12=x/10+3/10 | | 48x5/12 | | -(1+7x)-6(-7-x)=3 | | 28+12=x+3/10 | | 15+10y-4y=3 | | 12x+7=12x+7 | | 3x+4-4=10-4 | | 15x+5y-2=8 | | 7x+12=2x-38 | | 8(d-3)+5= | | c=3.14(4) | | 4(x+3)=3(4+x)-1.5 | | X-(-4)/2=-12/4 | | -3(a+7)= | | -5+p=-4p-5(-7p-5) | | 3(3x-5)+2(x+6)=0 | | 3(1/3+c)=2.5 | | 1/12y-3=-19 | | 4x+21=5 | | -27/-9 | | 1/5(25-5a)=4-9 | | 7(y+4)= |