If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
9*x+2 = 0
9*x+2 = 0
9*x+2 = 0
9*x+2 = 0 // - 2
9*x = -2 // : 9
x = -2/9
x in (-oo:-2/9) U (-2/9:+oo)
4/(9*x+2) = -6 // + 6
4/(9*x+2)+6 = 0
4/(9*x+2)+(6*(9*x+2))/(9*x+2) = 0
6*(9*x+2)+4 = 0
54*x+16 = 0
(54*x+16)/(9*x+2) = 0
(54*x+16)/(9*x+2) = 0 // * 9*x+2
54*x+16 = 0
54*x+16 = 0 // - 16
54*x = -16 // : 54
x = -16/54
x = -8/27
x = -8/27
| 4x+20+2(x-7)=0 | | -2(6y-12)=0 | | 6x/6+3=8 | | -4/5x=12 | | -4y/5=12 | | d^2-22d+121= | | 2/3(6x-9y)-(x-2y) | | 1-19=x | | y=6/7*23+6 | | 4/8=6/m | | 9(-2)+(-28/7)^3-5 | | 24/4=x/6 | | y=-0.25x^2+3*x | | 0.8(4+5)=4(0.5-2) | | 3q-2=6q+4 | | -11=7x-6(3x+11) | | b=c(1+rt) | | 3/8x-1/6=5/8x-2/3 | | -32+w=-54 | | 8(p+4q)= | | -13+w=23 | | -1/4=x/5 | | 9x+50=200 | | 78=32.2t+18 | | W+32=-54 | | w-9=1 | | 1/5x1/3 | | 3(x-8)=5x+7 | | -6x+1=-9x+7 | | 6c^2=16+20c | | 5.3X-0.86=1.06-4.3X | | 8w=80 |