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)
(9/4)*x+1 = 0
9/4*x+1 = 0 // - 1
9/4*x = -1 // : 9/4
x = -1/9/4
x = -4/9
x = -4/9
| -x=56 | | x+(x+32)+(2x-33)=751 | | 9(t-5)+5t=7(2t+4)-12 | | (x+1)(x+4)=40 | | (x+16)+x=364 | | (x+16)x=364 | | 19m-1=2 | | -2(5s-2)-4=-3(8s+2)-3 | | -(1/6)(x-18)+(1/3)(x+3)=x+14 | | 3x=19.2 | | x^2-8x-75=0 | | x^2-8x+75=0 | | 10=x^2+7x | | N+55=128 | | -(1/6)(x-18)+(1/3)(x+3)=x-11 | | -8/5x=96 | | 8-(2x-6)=4-3x | | 9x^4+12x^3+4x^2+1=0 | | 2x+6=-11 | | (19/30)x+4=(7/10)x | | 4(-5m-3)+2m= | | 2z^8a^8/z^7a^3 | | (19/30)x=(7/10)x | | -7+4(3-2p)= | | 7+19t-5=9t+62-2t | | 10x+4=5+2x | | 5(-6+4h)= | | 4x+13y=60 | | -2k-4-5+6k= | | -4(7p+9)= | | 5x=14.5 | | (Z/8)=-30 |