If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
(4*z)/10-3 = -8 // + 8
(4*z)/10-3+8 = 0
2/5*z+5 = 0 // - 5
2/5*z = -5 // : 2/5
z = -5/2/5
z = -25/2
z = -25/2
| -7a=-105 | | 24=x/-5 | | -8(-8x-8)-7=-263 | | R-91=-16 | | K-12=48 | | 3(2x+3)-4x+1=0 | | 18x+29=101 | | 162=3(-8k+5)+3 | | z/8-2=6 | | 10x^3+50x^2=0 | | -9x^2-10x+2=0 | | 1.56=.12x | | -7(3+3b)=126 | | 2ln(x)+ln(x)=ln(15)+ln(3) | | 9-5k=-4k | | 31=x+2x+x-2+x+3 | | 8x^2-48x+70=0 | | 30-2x=5 | | -2(y-1)=4y-(y+2) | | 6(1+6v)-8v=230 | | -13+y=45 | | z=x/5-8y | | f-6=-2f+3(f-2) | | V+14=78 | | 140+6x=180 | | 7(5-8x)=-413 | | 100=x+34 | | 5(3x-2)=5(4x+1) | | -12n=156 | | 220=98-v | | 33000=.036*x | | tan54=4/x |