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)
(-4/5)*x = 28 // - 28
(-4/5)*x-28 = 0
-4/5*x-28 = 0 // + 28
-4/5*x = 28 // : -4/5
x = 28/(-4/5)
x = -35
x = -35
| 25=y+.3x | | -12x-27=4/28(-84x-6) | | 3x+9=4x+10 | | (x-2v)(6x+5v+7)= | | 7/9x-x-11=3 | | =(x-2v)(6x+5v+7) | | .3x-1.2=.06 | | 2(3)-3=180 | | v=36*36*11/3 | | 9g-27= | | 1-x-5x^2=0 | | 8mn-m=5 | | x-4(7)=-10 | | x+3-5=14 | | 7(x-2)-4(2x+9)= | | 24a+56= | | 1/4y+9=1/2 | | w+-2=-18 | | 1/2y+4=2 | | 11=1/3x-14 | | 4x+5y=88 | | -15g25= | | 23x^2+32x-20=0 | | 38=5(2b-3+3b+1) | | -0.8x+1.25=x+4 | | x-(x*0.30)=100000 | | 0.167x+2=0.67x-3 | | z+z+3z+15+4=2z-150 | | 0.33x+2=0.4x-3 | | 3(a+2)+5(2a-1)= | | 4x+5x=81+9+18 | | x^2=147-7x |