If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u in (-oo:+oo)
1/3 = (-1/2)*u-(3/7) // - (-1/2)*u-(3/7)
1/3-((-1/2)*u)+3/7 = 0
(1/2)*u+1/3+3/7 = 0
1/2*u+16/21 = 0 // - 16/21
1/2*u = -16/21 // : 1/2
u = -16/21/1/2
u = -32/21
u = -32/21
| x-0.2=3.5 | | 4-2x=7+3x | | p/8=-22 | | 2*-2=2x+4 | | 15x+12y=1047 | | p/8=22 | | 0.2+0.1s=c | | 5(x+1)=2(3-4) | | -16x^2+32+4=0 | | 2z+x+80=180 | | z-519=259 | | -4=-4x+2(x+2) | | t+14=38 | | x+-2=11 | | 4/3x-9/5=-1/2 | | 1.5x-2=-.875 | | x=36-32 | | 3x+4-2=5-2 | | 7=-2(4)+1 | | -5(R+6)=5(R-4) | | 5(x-1)=3x+12+2x | | 14u=56+6u | | y=3*10-1 | | ln(x)-ln(x+1)=ln(6) | | 2(v+7)=6v+26 | | 48-3y=-48 | | f(-5)=-2x+4 | | 2x=12+8 | | -7x+4+-5x-12= | | sqrt(27x^4/75y^2) | | 4.5a+2.3a=23 | | 4=r-17 |