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)
(1/2)*x = 81/4 // - 81/4
(1/2)*x-(81/4) = 0
(1/2)*x-81/4 = 0
1/2*x-81/4 = 0 // + 81/4
1/2*x = 81/4 // : 1/2
x = 81/4/1/2
x = 81/2
x = 81/2
| (3x+5y-4)-(4x+11)= | | n+36=46 | | 5x+17=4(3x-1) | | -8-7x=-5x-10+10 | | (5a+3b-6c)+(2a+4b+13c)= | | 6x-6/2=33 | | 6x-6/2=33 | | 100/0.3=n | | 42-5x+x^2=x^3+x^2 | | 9+x=5x-7-x | | (-9c+5)-(3c-4)=70 | | 4m-3.4=4.6 | | 2.8=12.88 | | 3p^3-40p^2+48p/8p | | x+9y=-46 | | n/.3=66.66 | | 5w-12=-4(w-6) | | 7m+10+9m= | | 4y+4+1=7(y-1) | | n+38=56 | | 28h=601 | | X^2-(2/3)x=8/9 | | 168-7x=20x+15 | | 4(2x+1)=26 | | 7.95c+4.35=60 | | 10=2z+7 | | 5+4x=9+x^2 | | 40/r=1 | | 40/8=s | | (x+7)(x-4)(x+3)=0 | | 40/5=s | | 40/r=10 |