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)
(2/5)*x < -36 // + 36
(2/5)*x+36 < 0
2/5*x+36 < 0 // - 36
2/5*x < -36 // : 2/5
x < -36/2/5
x < -90
x in (-oo:-90)
(-oo:-90)
| 4+2x-2=14 | | 0.18x+0.4(x-5)=0.01(5x-1) | | 3x=x^2-12x+36 | | 5/2c=25/3 | | 47=-17y | | 6c^2-3c-45=0 | | 6+x-2=10 | | -12=4(n-2) | | 7x-39=5(x-9) | | 46t-6=59t-97 | | 2/5x-20 | | 0.04x+0.02(2-x)= | | (5x^2+35x-90)=0 | | .12(-y+900)+.09y=96 | | 6(9+5x)= | | 1/6(2x-8)=7 | | 6x+15y=50 | | .79x=25.19 | | .00018x(x)-.06x-1.5=0 | | p+4.2=5 | | 6y-25=5y+1 | | 3x^2-x=310 | | 8n+7=-31 | | x-(3)=8 | | 35x+42=12x-48 | | ln(x^2+2x)=4 | | (2+3i)+(3-7i)= | | 5bsquared-5b+1=0 | | -(3y+2)-(-zy-8)=z | | 4x^4+4x^3-11x^2-12x-3=y | | 2(x+5)-9=2x+1 | | 18x(x)-6000x-150000=0 |