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)
w-((9/5)*w)-w-((8/7)*w)-28+20 = 0
w+(-9/5)*w-w+(-8/7)*w-28+20 = 0
-103/35*w-8 = 0 // + 8
-103/35*w = 8 // : -103/35
w = 8/(-103/35)
w = -280/103
w = -280/103
| 7.9x-14.5=12.9x+7 | | x--3=18 | | -(2x+7)+6=-3(x-1)-4 | | -9+r/4 | | 7x-3=3(x-11) | | 2.1x^2+10x-16=0 | | 2/3t-8=0 | | (2/v+5)+(v+8/(v+5)(v-5))+(1/V-5) | | 3(13-2a)=-3+9 | | x+3/2-11-x/5=1+3x-1/20 | | -44-9z=-31-32 | | 113-4x=14x+19 | | -(12/5)/(-3/20) | | 15x+8x=68 | | =ab+xy(3x-6z)2yz | | 5n+54=2(1-7n) | | 25*x=50 | | b+2s= | | 8(4k-4)=15k | | 4(x-10)=3x+1-8 | | 4x^2-8x-1=-4 | | 0=4x^2-2x-10 | | 2x-6=-4x+24 | | 42=7(j-4) | | 3x^2-6x-22=2 | | 2x-9x+8x-12= | | 3x-12=-2x+18 | | 4x^2+8x-15=-3 | | 6/x=-8 | | 4(x+6)=4x+6 | | -(2/11) | | 3x-6=-4x+50 |