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)
7*x = 9*((10-x)/4) // - 9*((10-x)/4)
7*x-(9*((10-x)/4)) = 0
(-9/4)*(10-x)+7*x = 0
7*x-9/4*(10-x) = 0
7*x-9/4*(10-x) = 0
37/4*x-45/2 = 0
37/4*x-45/2 = 0
37/4*x-45/2 = 0 // + 45/2
37/4*x = 45/2 // : 37/4
x = 45/2/37/4
x = 90/37
x = 90/37
| 6x^2-3x=4 | | 5y+6=3y+20 | | 52-x^3+x=10 | | 52-x^3+x=42 | | 66.40+x=y | | x2/5=w-y | | (2x-2000*2)=5000 | | 8x-14000=5000 | | 4x-2000=5000 | | -5/2=1/5x-7/3 | | (x-1)(x+2)=15 | | (x-2)(x+3)(x-3)(x+4)=40 | | 19-6x=21-9x | | 6.1*5+x*4=6.5*9 | | 9x+5=-58 | | 2w+3-3=1 | | (5t-2)-1= | | 4999.3=40 | | x^3-10x^2-67x+110=0 | | 100x-23y+19=0 | | 100x+23x=4 | | (x+2)(x-1)=(x+4)(x-5) | | 8(4-3x+1)=53-3(x-5) | | 4999.3=40/5000 | | 200^2=480000/c | | 0.01x+0.50y=17 | | 2s^2+11s+216=0 | | 10x+50y=1700 | | .3(x+2)-.6(x+2)=.3x-6 | | x+(x*0.13)=35000 | | 59x+46y=2004 | | 25x^2-6x+5=0 |