If it's not what You are looking for type in the equation solver your own equation and let us solve it.
K in (-oo:+oo)
K/20 < 18 // - 18
K/20-18 < 0
1/20*K-18 < 0 // + 18
1/20*K < 18 // : 1/20
K < 18/1/20
K < 360
K in (-oo:360)
(-oo:360)
| 7.5/10=x/5 | | (32x3/8)[/]1/6 | | 6t^2-12t+12=0 | | -84=-6(6-x) | | 9x^2+25y^2=1 | | 7(2-x)=2(x+7)+9 | | 32y+32=504 | | 8y-24=50 | | 54+2x= | | V^2-15=-2v | | P-13=-20 | | X/14=-7 | | -5n*7n= | | 48x+20x=102 | | 6k=6(20) | | 33-6x=9-10x | | x+Log(x)=3 | | x+ln(x)=3 | | 5(3-x)+8=3(x+5) | | 13/20-1/5 | | -72x^5+45x^3+90x^3=5 | | 5x+-7x+6=-2(x+-3) | | x-7x+6=-2(x-3) | | 6x-5x+4y-3y+x= | | (3x-1)(3x+7)-(2x+5)(x)=0 | | 48x^2=24x-84x | | -30=-10+10x | | 2x+3x=25-10 | | 2(x+w)-y= | | x^2-4.27x+3.07=0 | | -18=2x+12 | | 1-(12x)= |