If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b in (-oo:+oo)
(4/5)*(b-5) = 1.6 // - 1.6
(4/5)*(b-5)-1.6 = 0
4/5*(b-5)-1.6 = 0
4/5*(b-5)-1.6 = 0
4/5*b-5.6 = 0
4/5*b-5.6 = 0
4/5*b-5.6 = 0 // + 5.6
4/5*b = 5.6 // : 4/5
b = 5.6/4/5
b = 7
b = 7
| 4x-6+4x-6+2x=180 | | 800=-40x^2+560x | | 3(-6x+9)=-153 | | V=36+52.59 | | 4x+10=7x-16 | | -4(5+4x)=76 | | m-(-2)=23 | | 10+4(x+1)=3x+9 | | -3y=-12-3x | | j+20=-54 | | V=36+5as | | 10x-26=10x-27 | | 5(3x-3)=135 | | Y-5=3[x-(-3)] | | 10+4(c+1)=3x+9 | | 37.25=Cx+0.50 | | 2X-21/3 | | 3(1x+10)=60 | | r/8=0 | | -2z-4=8 | | 5(-5+7x)=80 | | x+12+x+12+x=180 | | 4(-6-6x)=-264 | | 40+x+(x+20)=180 | | 12+14a= | | 9/10x-7/10=10 | | 2(1+7r)=-82 | | 9x+3-8x=10 | | 9x+6=-17 | | x=9x-1 | | ax=bx+3 | | 3-11i/-1-2i |