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)
7-((-1/15)*x) = 1/20 // - 1/20
7-((-1/15)*x)-(1/20) = 0
(1/15)*x-1/20+7 = 0
1/15*x+139/20 = 0 // - 139/20
1/15*x = -139/20 // : 1/15
x = -139/20/1/15
x = -417/4
x = -417/4
| 9x-1+8x=4x+4-6x | | 5x+10+6x+3=180 | | 7-(1/5x)=(1/20x) | | 5-(-1/10x)=(1/15x) | | 4x-6+3x+8=180 | | (-3/4c)^3 | | 31/6x-3/8=117/24 | | 5-(-1/10)=(1/15) | | x+19=41 | | -4+34=x | | y=x^2-x+10.5 | | g-2/5=g*4/7 | | x+34=92 | | -14+x=-20 | | .03x^2-1.2x+13=7x | | 4/9x=24 | | x+58+3x+10=180 | | 4x^5-3x^2-x=0 | | 3p=7 | | 3x+17=54 | | 10-y=12 | | 5(2y+3)=3(3y-7) | | -4p-9=-12-3p | | x^2-21x+80=0 | | 9(j+11b)=y-kt | | 28=4n+8 | | 4x-x/3=10 | | .3z+0.8=-.1 | | 7x+3=6(x+-1)+9 | | A=z+zwd | | A=z+zwd | | 0.68+0.46t=2.62t-0.76 |