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)
(-1/2)*x < 3 // - 3
(-1/2)*x-3 < 0
-1/2*x-3 < 0 // + 3
-1/2*x < 3 // : -1/2
x > 3/(-1/2)
x > -6
x in (-6:+oo)
(-6:+oo)
| 4y+8z=8 | | 15y+13z=44 | | -5x+3-7=4x-10 | | x^2+2x+xy+2y=equation | | 9j=16+9j | | 3y-3=5x+8 | | 1=4(w-4) | | 565x/X34*X45=X | | 45/30 | | 37-b=9 | | 5k-9=31 | | 2x-13=-3(13) | | 5x-15=5(2x+3) | | 1.5x+5=-3 | | ax+4=6x-8 | | 45az/30az | | (2x^2-9)/(3-x) | | 7x-6(x+9)=-48 | | 2x+2(2x-3)=30 | | 100y/35y | | 5x-5+7=10x-2-5x | | 32y+112=y^2+22y+121 | | C45/67÷4^5/x7*65/X^78 | | 7x-2+6(x+1)=-(4x-7) | | 6x-18=7y+33 | | 3x^3+19x^2-72=0 | | 4x^2-12x+12=0 | | 25=0.75x | | 40z/24z | | -8x-3=5x+9 | | -4x-6(-2x+4)=64 | | 8h/10 |