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)
x-((3*x)/5) < 8 // - 8
x-((3*x)/5)-8 < 0
x+(-3/5)*x-8 < 0
2/5*x-8 < 0 // + 8
2/5*x < 8 // : 2/5
x < 8/2/5
x < 20
x in (-oo:20)
(-oo:20)
| -5(3x-7)=50 | | 2y^2+100=0 | | 4y=10-y | | x=34+21 | | sina*cosa/1-2sin^2a | | 20x-5=50x+7 | | 3(5-4x)=-129 | | 7b+5b=x | | y+5=2y+13 | | 3s-15=4r-25 | | -5(8x+3)+5x=-155 | | m-3/2-4=-3 | | 331.5+0.61t=343.7 | | -4(6x+1)=188 | | 6x^2-18+12=0 | | 135n=(n-2)*180 | | 10y-2=5-2y | | 18z+36z+16=0 | | 4x-8+2x+6=x+13 | | 4x+5=13+6x | | (-1-2)^2-(-6/3)^2 | | 6x-1=34-x | | 5a^4+3b^4= | | 51+2x+3+100=180 | | 4x-2(x+1)=3 | | y=-3x+120 | | (-4/9)(-5/8) | | 2(x+4)=2x-10 | | -17=-5x+18 | | 15+5p=30+2p | | 6(y-4)-5=-7(-3y+2)-3y | | -.3t^2+5t+5=0 |