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)
146 = (1/2)*x+(1/2)*x+x+9+9 // - (1/2)*x+(1/2)*x+x+9+9
146-((1/2)*x)-((1/2)*x)-x-9-9 = 0
(-1/2)*x+(-1/2)*x-x-9-9+146 = 0
128-2*x = 0 // - 128
-2*x = -128 // : -2
x = -128/(-2)
x = 64
x = 64
| 2x^2-28+96=0 | | 2/3+1/7 | | 5x-6=2+9 | | 5(x^2-3)=72 | | x/5+3y=69/5 | | -3(2-4x)-2(1+2x)=36-3x | | 19x+10=19x-10 | | -6r-1+6r=11 | | 15-4g=42-7g | | -2r-5(r+3)=4 | | n/2+10=4 | | 3/8=(4m-4/12) | | 4/7x+9/7 | | 3/8=4m-4/12 | | 130+10-12/2 | | -5y+8=13 | | -2n(5n-4)=0 | | 5f-2=10e+13 | | 1/2x8/19 | | -6p-72=0 | | 5p^2+29p=6 | | 16=7-x | | 234x=(567/3) | | 6q=6[4q+1] | | 3+1.5+4=3.5z-4 | | B^2+6b=8 | | 4w^2+w+1=0 | | 3(r-7)=4(2-2r)+4 | | 21=5x+2x | | 6-1/4(8x+12)=2x | | 3n+2.6=6.8 | | 4*(c+3)=24-(24-19)+1 |