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)
1/2-(3*x) = 5*x+3/4 // - 5*x+3/4
1/2-(3*x)-(5*x)-(3/4) = 0
1/2-3*x-5*x-3/4 = 0
-8*x-1/4 = 0 // + 1/4
-8*x = 1/4 // : -8
x = 1/4/(-8)
x = -1/32
x = -1/32
| f(-2)=2x^2+4x+5 | | (6x^3-42x-36)/(6x+6) | | 4y^2+12y=-9 | | t/15=6/18 | | 2x^4-1x^3+15x^2=0 | | 3y=-10x+x+2y+58 | | x+2*2+2x=x+x+6+x+4 | | 2x^2-1x^3+15x^2=0 | | 2a(5a-2a+5)= | | 600x=800(x-.45) | | 243/67+92/7= | | 12q+174000= | | 3y^2-4=11y | | 600x=800(x-45) | | 7p+8p=9p-2 | | 3b^4r+2d/d | | -2a(5a-2a+5)= | | 3b^4r+8d/4d | | 2x-6/x^2-3x | | -4x-6y=4 | | y=x^2+3x-189 | | 5(2)-y=12 | | 12y=-8x-8 | | 6x+8(5x-12)=-4 | | (-2a^4/b^2) | | 3x^2-13x+12= | | 0.3=(x-12)/x | | 0.5=(x-5)/x | | 2x^2-6x-8=x^2-16 | | 2t^2+7t= | | ((7)/(2w+6))+2=-((3)/(w+3)) | | 0.5x-x=5 |