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)
9/5 = (3/5)*x // - (3/5)*x
9/5-((3/5)*x) = 0
(-3/5)*x+9/5 = 0
9/5-3/5*x = 0 // - 9/5
-3/5*x = -9/5 // : -3/5
x = -9/5/(-3/5)
x = 3
x = 3
| (3x^2)+21=-18x | | -30=w/4-2 | | f/2-1 | | .15x=7700 | | 45r^2=5 | | 12+15-(6-30-90)= | | -2+8v-4v-10=5v-7v | | 6n(3n+2)= | | 12+5x-2xsquared=0 | | 10x+8-2x=40 | | 3f+4.3=2.9 | | y=0/3-8 | | -24x+21y=12 | | -64x^3-72x^2=.486x | | 5x-6=12+12x | | 8x-6-2x=9+5x | | 8x-6-2x=9+5x | | 8x-6-2x=9+5x | | -c/3=3 | | 21x-2=20x+25-42 | | 4x-6+8x=6x+36-8x | | 10p^4/10p^4 | | (-5)-3x-x-(-16)=0 | | -3=5x-4x-6 | | 12=6+2y | | 15/(3x4-(5-4)-6) | | -18x^3=-105x+150x | | (-8-2)3-(-4-6-2)= | | 0.50(4x+9)=18 | | 0-2y=48 | | X=(24-2y)/5=2 | | -j+2=-14 |