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)
(4/5)*Z = 4/7 // - 4/7
(4/5)*Z-(4/7) = 0
(4/5)*Z-4/7 = 0
4/5*Z-4/7 = 0 // + 4/7
4/5*Z = 4/7 // : 4/5
Z = 4/7/4/5
Z = 5/7
Z = 5/7
| y=25(4+x) | | 10+9x=16+7x | | (999-199)/80=x | | 3(4y+2)=18 | | x=1.833333333+-0.1666666667(-7) | | 3x-(-4x)+5x+2= | | 3(1.833333333+-0.1666666667y)+2y=-5 | | 2+y=-7 | | 3(2y+3)=27 | | ln(3x-18)=6 | | 40+25x=80+15x | | 649+50x=999 | | 42x^4/49x^9 | | lnx=-0.04332 | | 6x=-y+11 | | 3x+.1=25 | | 22=15+k | | 50+7y=1 | | (4+3x)(3)=9 | | d=1 | | 2x+-x-7=-4 | | (x+8)+(2x-1)+(x+5)= | | 21-5y=-24 | | 3n-9=-12 | | (-4)+(-8)+11= | | (-9)+4+7= | | (x+8)+(2x-1)+(x+5)=0 | | 14=7x+14x | | 5x+7=108 | | A=1/1-b | | (y-6)-(y+9)=5y | | 4x-27=-19 |