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 = 12 // - 12
(2/3)*x-12 = 0
2/3*x-12 = 0 // + 12
2/3*x = 12 // : 2/3
x = 12/2/3
x = 18
x = 18
| 1/5+3/10 | | 111=39-9x | | (1-sin^2x)(secx)= | | 23-13=2(x-7) | | 6a^2-24=0 | | 5a-3=27 | | 2/3+i | | 41+4y-18=14y-9-2y | | 20x=24 | | 5x(x-7)=11x^2-36x | | 5/x14 | | 4x^2-200x+200=0 | | -24=6x-5x-5x | | 2(3x+2)+2(2x-3)= | | -4x-4-6+x+13= | | 15*-42x+15*40=15*8x+15*244 | | 8=H^(3/2) | | 15*-42x+15*40=15*8x+14+244 | | 30=2x+3+2x+2+x | | x+x+16=48 | | 5/8t-7=-22 | | x+3/4-x-6/6=-7 | | x-3=-3x+1 | | 1-2y-2=y-2 | | j/2+1.5=13.5 | | 3(X+2/5)=X-1/3 | | x/5-3/2=4/5 | | 4(3x+3)-2(6x+6)= | | x^2-90x+800=0 | | -12=6+3/4x | | 1+(7-6p)-4= | | x+1/4x=20 |