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)
12-((2/3)*x) > 6 // - 6
12-((2/3)*x)-6 > 0
(-2/3)*x-6+12 > 0
6-2/3*x > 0 // - 6
-2/3*x > -6 // : -2/3
x < -6/(-2/3)
x < 9
x in (-oo:9)
(-oo:9)
| 16.5+.5y=11+y | | -166=-6+8x | | 2x-6y=q | | 2x+9=-x | | 10/9=e | | 3(-5*-1.4-7)= | | 10x-35-40-10x=33 | | .16666666667=x | | 8+2b=2y | | -2(7x+9)= | | 2x+2(x+14)= | | p+p+o=26 | | 3(-5x-7)= | | 5(x+2)2(x-2)=7(x^2-4) | | 6-1.5x=0 | | -3y+9=-3(2y) | | 5(x+2)-2(x-2)=7(x^2-4) | | 3-((3)/(x^2)) | | 6(4x+6)+9=24x+45 | | -9x+3(3x-3)=-2-7x | | -50/6 | | 8(3a+5)=-65 | | 3-(3/x^2) | | 4/5*17/16 | | 72x^2+9x=0 | | 8=16+8(n) | | 6x+3+4x-3+9x+12=360 | | -6d(-w+6p)= | | 4/3m-2=5-8/m | | 16x^2-6x-7= | | 3(t)+7=-8 | | 4n+5p= |