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)
(3/4)^3*(4/7)^-7 = (3/4)^2*x // - (3/4)^2*x
(3/4)^3*(4/7)^-7-((3/4)^2*x) = 0
22235661/1048576-9/16*x = 0 // - 22235661/1048576
-9/16*x = -22235661/1048576 // : -9/16
x = -22235661/1048576/(-9/16)
x = 2470629/65536
x = 2470629/65536
| 8/8-12=16 | | 10y=9(y+6) | | 8(x+3)+2=-8(x-4)-7 | | 9x^2=45 | | 8y-11y=-10-14 | | 32-19.786= | | 7q+5q+4q-1= | | 8x+13y=2060 | | 5x=35.80 | | m-5=1 | | 4=t/-16 | | sqrt(x)=-1 | | 1+x=x/1 | | 3.5x+3=2x+9 | | 98=9x+8x | | 2x^2+y^2-7=0 | | 5x+x-x= | | 96x=0.96969696969696969696969696969696 | | 96x=96+96 | | 3n^2=-6n | | 3.49+8+14.902= | | m/-10=7 | | x+8+9=58 | | 1000*y=3.1995 | | 3x-820=48-3338200 | | -11-2*-11= | | 2k^2+72=33k | | 8c+7=21 | | -1/2n=32 | | -10-2*-10= | | 20=4c-8 | | m/-100=6 |