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)
(3/8)*x-3 = 9 // - 9
(3/8)*x-9-3 = 0
3/8*x-12 = 0 // + 12
3/8*x = 12 // : 3/8
x = 12/3/8
x = 32
x = 32
| 7(-1+3x)=35 | | 7x-(-5)=-23 | | 40-7m=6(-4m-5)+3m | | 5(x-3)+4x=7(3-x) | | 5/8x+3/5=x | | x^2+14x+49=6 | | -20-(2x+10)=60 | | 3/8-3=9 | | lnx+ln(x+8)=9 | | 21n+10=31 | | (-12)+2/4-1/2=(-12)-3/3 | | 5(-10r+10)=6r+50 | | 3[2+v]=5v+16 | | 12+2/4-1/2=12-3/3 | | 5x-7y=21fory | | 5x+19=8+8(6x-4) | | 8-y/15=6 | | 5=t+14 | | 5x+15=8x-3 | | 2x^2-x-30=0 | | 8(-2x+5)+7=-6x-43 | | 7[10-m]=3 | | Z+11.2=-4.2 | | 12+2/4-1/2=-12-3/3 | | 6y+2=2y-8 | | (5)(3x-24)=0 | | 6x-8-4x=4 | | X^2+7x+4=3x | | 2x^2+8x-160=0 | | 5+10(6+6k)=k-4 | | x^2-12x+36=5 | | 5x+3(1+6x)=-43 |