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)
(5/2)*x+(1/2)*x = (9/2)*x+9 // - (9/2)*x+9
(5/2)*x+(1/2)*x-((9/2)*x)-9 = 0
(5/2)*x+(1/2)*x+(-9/2)*x-9 = 0
-3/2*x-9 = 0 // + 9
-3/2*x = 9 // : -3/2
x = 9/(-3/2)
x = -6
x = -6
| 8*n=6 | | -1/9+3+1/3+1=x+4 | | n-93=89 | | 8x+2x+10=180 | | 3v+9=-6(v+9) | | 7x+3=47-4x | | 8x+6-9x=2-x- | | 52=-3(4x-5)+2x | | (x/5)=-2 | | 5(5-8-21)=19(-2x) | | (3/4)b=15 | | -4m-4=5-9m | | 14n=966 | | 10p+9-11-p=-4+8-6p-6 | | 5/12=x/48 | | -2-y+7+2(3+y)+9-8y-5=71 | | 16r+32=18r-6 | | 6x+7x-54=90-5x | | 3-4x=x+11 | | exp(x+2)=24 | | 12+10(n)=-28 | | p-18+67/8(18-5) | | 3x+14=x-2 | | 16r+32=18r-1 | | 8.25+0.25w=10.75 | | kx-b=2y+5b | | 2b+7b=8b+b | | n-76=18 | | (2x^3+3x^2-8x-9)/(x+1) | | -10y=-6-3x | | 9+-8(n)=-7 | | 10x=6x+18 |