If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
-28 = (4/5)*d // - (4/5)*d
-((4/5)*d)-28 = 0
(-4/5)*d-28 = 0
-4/5*d-28 = 0 // + 28
-4/5*d = 28 // : -4/5
d = 28/(-4/5)
d = -35
d = -35
| 4+11x=-40 | | x+57+x+137=180 | | 6x+11y-10x-8y+9x-7y= | | 4+5(-3x+7)=-9 | | (.1-x)*(.2-x)= | | 48/(-18) | | 50-8x=-6 | | 26+(2y+1)= | | -2=8y+3(y+3) | | (7x-4)(3x+9)=0 | | (x+2)(5x+6)=0 | | -10x+10=-40 | | -5.2(4s+6)-1.7(2s-4)= | | 3(2x+15)=2x+20 | | -5-8x=5 | | 2.8x+1y=747.7 | | 2(x-4)=42 | | -100x-300=300 | | 3z+8=-2z+13 | | c(c-5)=0 | | 27=3/4(y) | | s^3+2s^2-25s=50 | | 6[5-(4x-4)]+7x=0 | | 4w+7=7w-14 | | 3x^2+26x+73=0 | | -5u-8=-2u+1 | | 91=9f+28 | | x+3(x-3)=3x+2+2x | | -3f+-11=70 | | a^2-8=2a | | 9(x-5)-4x=-5 | | 9v-6=9v+-6 |