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)
(6*x)/2 = 138 // - 138
(6*x)/2-138 = 0
3*x-138 = 0 // + 138
3*x = 138 // : 3
x = 138/3
x = 46
x = 46
| 5/9n=-10 | | y-5x=5 | | -2y+5/-3 | | 5/4n=-10 | | 86=4n+10 | | 4k+50=82 | | -488=64Q | | -2(+5)=-x-12 | | 2x+8=10+10+4 | | x+65+65=180 | | f+9=5(4f-2) | | 3(5-q)=-2(4q+3) | | 24x+2y=48 | | e+3=5e-3 | | 4d-5=2d+3 | | 45x=74 | | -6c-21=3c-12 | | B-9=6b+5 | | -46=-4x-7(-2x-2) | | b-9=-6b+5 | | X^2-1/x-1 | | 3/10m=9 | | 3+y=-3(y+1) | | 2x^2-x-15/9-x^2 | | 0.5x-23=0.16x+7 | | -2(m-30)=6m | | a+7=6a-3 | | 3.2+0.7x=0.4 | | 5=7+3u | | 3(x+1.95)=2x | | -48=-5y+8 | | 8x-68.6=x |