If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y = 40-(y/4)
(5/7)*b = 125
X/5-12 = 9-(x/3)
231 = (7/13)*n
3/17 = (1/2)*n
| 3x+19+x+20=90 | | y=40-y/4 | | 5/7b=125 | | 42+5y=27 | | 12x+39x-18x=256-60x-657x | | X/5-12=9-x/3 | | 6z-12=-14+7z | | 231=7/13n | | -0.028x^2+4.578x=170 | | 2x^3-11x^2+4x+5= | | -0.028x^2+4.578x-170=0 | | 6y+3(y-2)=(3y+1)-2 | | 6x-18=12x+16 | | (1-2)(1+2)= | | 6x-18=12x | | 3x(x+2)=x-18 | | 14m*m+17m-22=0 | | (-1)(1)= | | 3/17=1/2n | | 3/17=1/2, | | y-4y-12y=0 | | Y=25-5/3x | | -1.95=.33r+.4r | | 1/2x^2-1=15 | | 5r-16=-20+7r | | (20x-15y+25z)= | | Y=hx+p | | 3/8r=45 | | 1.25=r+1.5-.5r | | 2.5x+4.5=6.5 | | 0.27x=135 | | .4x-.5x=.25+2 |