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)
(2/3)*x+4 = 12 // - 12
(2/3)*x-12+4 = 0
2/3*x-8 = 0 // + 8
2/3*x = 8 // : 2/3
x = 8/2/3
x = 12
x = 12
| 48+y+y-16=180 | | x+3/8=7/4+x-4/3 | | 0.15y+0.04(y+2000)=840 | | 50x=259 | | 6x-(2x-9)=29 | | 46+y+y-16=180 | | z+2=2z-1 | | 1t+10-4t=-11 | | -2+4/-2 | | 3x^6-9x^4= | | 1.73-13= | | 3(-10)/-5 | | 14x+21/7 | | 1/5/3/10= | | 3x+18/5+x+24/4=13 | | -2a+7+3a=12-21 | | -3/2n-7/2-2n=-35/6 | | N^2-5n+4/(n-4) | | 3x^2-3x+5xt-5y= | | 3/14=x/16 | | 9x+-3x+x=-4 | | (w+1)(w-5)= | | ((x+4/5))=4-((x+1/2)) | | 5w+8+12w=16+15w | | 21x-y=3x+27 | | 2x-y=3x+27 | | -16(t-2q)=432 | | 17x-9=8x+9 | | 7y+5+6y+11= | | 13-9x=9x+16-5 | | 4w^3-1w=0 | | (x+6)(6x^2+5x+7)= |