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)
-9 = (3*x)/4 // - (3*x)/4
-((3*x)/4)-9 = 0
(-3/4)*x-9 = 0
-3/4*x-9 = 0 // + 9
-3/4*x = 9 // : -3/4
x = 9/(-3/4)
x = -12
x = -12
| 9x+6-3x=30 | | 12x+7=10x+8 | | 2x^3-3x^2-45x-54=0By(3+x) | | -9x=3x+6x-9 | | 6x+6+28=9x+7 | | -3(w+7)=3w-45 | | 2(x+3)=5x+2-3x+4 | | -4.4+8.8(3.5x-8.1)= | | x/20=21 | | 4x^2+36x-5=0 | | 4/5x-14=42 | | 4u-2=-18 | | 3v^4-3u^4v^4=0 | | 5x+3=3x-8 | | 73.5=(m+3.8) | | x(x+10)=720 | | 2x^3-3x^2-45x-54=0 | | 2t+7=5t-5 | | 3x-10x+8=90 | | 10x^2=-20x+80 | | ~/2=6 | | y+5y=25 | | 9b+2d+3d-4=5d | | 4x+1+102=15x+4 | | 3v^2=24 | | 0.2x=15+5 | | 8-x=3x-8 | | 4x+1=1/3x+10 | | -14r+-7=49 | | 1=3/5*x | | (X-5)(4x-6)=0 | | 8x-9=2x+29 |