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)
39 = 7-(x/2) // - 7-(x/2)
x/2-7+39 = 0
1/2*x+32 = 0 // - 32
1/2*x = -32 // : 1/2
x = -32/1/2
x = -64
x = -64
| 6t+62s=1/2(3t-42s) | | 18x^2+93x+15=0 | | 12x+5-3x=14 | | 8/6=7/k+9 | | 35=8-3x | | 24x^2+28x+4=0 | | 4x4y2/8x2y | | 5h=28 | | 9x-1+6-3= | | d(t)=16t^2-24t+20 | | 9/20(35/1) | | (3x-5)(2x)=90 | | 452.76=220+0.92x | | 7(4+2b)= | | -8(p+4)=-16 | | 8+9(5-10v+6v)= | | 6q=694q+1 | | 9/20+4/15=9/15 | | 3(u+6+8v)= | | v^2-9v=2 | | 80=37.94+0.25x | | -6(1-2v)-3v=3 | | 4/x-2=-3/x+5+7/(x+5)(x-2) | | 3*3*8*2=b | | 84x1/7 | | 6-2x=42 | | 7=-7(-k+1) | | 32.363+p=11.363 | | 3m^2-5m=1 | | 15/188/5 | | 15/18.8/5 | | 1-3a-5a=9-6a |