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/8+15 = 20 // - 20
x/8-20+15 = 0
1/8*x-5 = 0 // + 5
1/8*x = 5 // : 1/8
x = 5/1/8
x = 40
x = 40
| 3(2x+7)=-26+23 | | 6h=4+2H | | 13x-2=8x+28 | | 2x^2=32-12x | | 8t+5=5t+1 | | 21=-2+8(b+3) | | factoru^2-2uv-63v^2= | | 0.9x-0.6x-7=-4 | | 3x+17=8x-4 | | -x^2=8x-65 | | 9x-1+12x-3= | | 50/84=25/x | | 9(2d-9)= | | x+x+2=35 | | 49s^2-126s+81= | | 4-6=x | | 4(b-3)= | | -6-2(6x+1)=11 | | x^2=x-20 | | 20r-45=155 | | -32+8x=5(x-4) | | 2/3x-4=48 | | -7n-16=14n+17 | | 3x^2=-6x+9 | | 3600x=5.3 | | 72+17x+x^2=0 | | 3600=5.3 | | 3/4*x=-1*1/6 | | (x-7)(x-1)= | | 2g+8=68 | | -180=6(7x-2) | | -15c+7c+1=3c-8c |