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)
Y = 2/13-x // - 2/13-x
Y+x-(2/13) = 0
Y+x-2/13 = 0
Y+x-2/13 = 0 // - Y-2/13
x = -(Y-2/13)
x = 2/13-Y
x = 2/13-Y
| (x+1)(x-3)=x(x+2)-40 | | 3x+3[4-3(2x+1)]=0 | | 2x+1.5=30 | | 0=6y^2-y-15 | | 5/9=×18 | | .5x=-1.5 | | 4x+9+2z-9=180 | | 8/13=y/10 | | 0=-1.4x-1 | | x(3x-3)x=2x(x+6) | | 7x-21+12-3x=-8 | | (3x^2)-3x=(2x^2)+4 | | 20x+15=7x+3 | | 6y+3=11+2y | | 45d^3-25d^2=0 | | x=100+-5y | | 5x-15+4x+12=3x-3 | | 6x-9+3(8x+5)= | | 3(1/2*3/52) | | X(-64)=0 | | 5c-15+4x+12=3x-3 | | X^2(-64)=0 | | 215+156+318+75+25= | | 8x+28=810 | | 4(x+12)=72 | | 5y+x=100 | | (11+8)2= | | 3m+5n+3(2m-n)= | | 3-2(1-x)=5/7(x-3) | | (x+2)(x-1)=x(x+7) | | x+10+8x-10=180 | | 10p+300=750 |