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)
5*x-x+2/3 = (1/2)*x // - (1/2)*x
5*x-x-((1/2)*x)+2/3 = 0
5*x-x+(-1/2)*x+2/3 = 0
7/2*x+2/3 = 0 // - 2/3
7/2*x = -2/3 // : 7/2
x = -2/3/7/2
x = -4/21
x = -4/21
| x+x+6=164 | | 2.5x-9=-0.5x | | 5v^2-5-24v=0 | | x^2=-25y^2 | | 6r=2r+28.4 | | x+x+7751=210355 | | -11u-6-4u^2=0 | | 25+x=5x+1 | | 2x^2=6x+36 | | -4x-3y=-15 | | 10x+4=16x-8 | | log(x+8)+log(x-1)=1 | | 30-3y=2y | | 2y^2+16x-12y+50=0 | | 6x^2=-20x-16 | | 0=-5u^2+14u+3 | | y=3.25 | | 9x=2x+63 | | -5u^2+14u+3=0 | | X^2-5=(X-5)(2X-1) | | 8(b+5)=4(b-2) | | y=2.5x+15 | | 4x^2+20x-47=0 | | 1-x^2/x=0 | | 6x-8-3x+4= | | 4x-7y=-15 | | 71-2x=9x+15 | | 7x-2=8x-1 | | 23+x-9=2 | | x+x-11=87 | | 8.9x-6=7.9x+7 | | y+9+2y=180 |