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)
x/12-25 = 31 // - 31
x/12-31-25 = 0
1/12*x-56 = 0 // + 56
1/12*x = 56 // : 1/12
x = 56/1/12
x = 672
x = 672
| 52=4(p+2) | | m*m=2m | | 1/2(6x+8)=2x+7 | | 1/3(12x-9) | | 3(4x-3)+3x=40 | | y=4-3*3 | | 7(w+3)=91 | | -7(1x-8)=42 | | 9x+5=3x+-1 | | 3(-9+6x)=135 | | 12=3h^2+6h-4 | | 6(-7+2x)=30 | | 12=-3+25x | | 3(9-2x)=21 | | 6(u-1)=2u+6-2(-7u-2) | | 2a+3b+4c=c | | 77=7(t-78) | | 2x(x-8)=(x+9)(x-6) | | 16-r/7=7 | | 34.52-w=7.88 | | Y+9=-10y+3 | | 6(t-79)=30 | | F(x)=3x^4+7x | | 2.3+4y=8y-.33 | | x-0.25x=900 | | -6/12 | | 1/4=x/20 | | 12m+8m= | | 2y+4=-4y-8 | | 5(z-84)=65 | | X-3/18=7/9 | | 12x-14=-2x-32 |