If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
(1/8)*w-13 > -6 // + 6
(1/8)*w-13+6 > 0
1/8*w-7 > 0 // + 7
1/8*w > 7 // : 1/8
w > 7/1/8
w > 56
w in (56:+oo)
(56:+oo)
| (M-n)x+(m-n)x=2m^2 | | n/z-9=-5 | | X+2X-2-7=5X+20 | | 4(p+2)=30 | | -5(c-3)=-25 | | 1.5a+6=9+12 | | 55=4v-9 | | 4.4/8= | | 7.25-2.85= | | (2x-6)/2=20 | | (M-n)x+(m-n)x=2m | | 2(x+1)(x+1)=40 | | 20+0.15x=100 | | 8x^2-14+15=0 | | 4(6-5x)=5x+9 | | 4c+20c= | | 2x+5x=147 | | 3(2-v)-v=6+2(v+1) | | 5y+12x=80 | | Z=7(4)+0.11y | | 3(3x-1)=40 | | 8+-0.5y=16 | | 5-7x=-4x-(2x-5) | | 8=x/5-3 | | 3p=-4-8p | | 4x+12=(2x-5)+(2x-5)+2x | | 6/4=4/n | | 1.12xn=11.2 | | -7s+21=-9s | | 25+35x=65+20x | | 2x-3(5x-14)=16 | | 7-2x=9(x-1) |