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)
69 = (1/2)*(x-6)+x // - (1/2)*(x-6)+x
69-((1/2)*(x-6))-x = 0
(-1/2)*(x-6)-x+69 = 0
69-1/2*(x-6)-x = 0
69-1/2*(x-6)-x = 0
3-3/2*x+69 = 0
72-3/2*x = 0
72-3/2*x = 0
72-3/2*x = 0 // - 72
-3/2*x = -72 // : -3/2
x = -72/(-3/2)
x = 48
x = 48
| -86-72=m | | -31*m=434 | | 4x-15=-3x+15 | | (8x+18)+(6x+4)+90=180 | | -4+-81=n | | 363/-11=j | | -15*-32=z | | x^4+8x^3+3x^2+24x=0 | | -98-3=v | | 8a-56a= | | 17.5+1.5y=-y | | -19+-20=w | | 15x^2-10x-30=0 | | 4x*x=82 | | G*-11=627 | | 675/-25=c | | x*2+4x=9 | | -14+-58=c | | 2x+7=2(x+2) | | 2x-3y=-35 | | x^3-15x^2+3x-14=0 | | -97-r=-76 | | R=80x+12 | | x^3-15x^2-3x-14=0 | | -20*-35=n | | 7x^2+26x-8=0 | | x^2+16=x^2+12x | | -20x-35=n | | 3*x+5=17 | | 4x+2x-10=6+x | | 5(4x+8)=280 | | 0.20+0.35(30)=29.5 |