If it's not what You are looking for type in the equation solver your own equation and let us solve it.
I in (-oo:+oo)
I/12 = 1 // - 1
I/12-1 = 0
1/12*I-1 = 0 // + 1
1/12*I = 1 // : 1/12
I = 1/1/12
I = 12
I = 12
| y-23=21 | | x-0.5=10-x | | -3cos(x-pi/4) | | 5x+4(x-14)=5(x-8) | | D=42-14t | | P=2(36)+2(104) | | 9h=-9 | | 6x-12=10-5x | | 34-2n=2(-3n+7) | | -(21/7)=x | | -2x+-10=4 | | 714/(-21)=x | | 7(-1/2) | | 11x+17x-6+1=-7x+1-6 | | -32+-3= | | 5x-1=9x+9 | | 7x-4x+12=2x+7 | | 5-5z=25 | | 16+5b=-14 | | 3.3x-4.88=3.7 | | -10+24= | | -3x-4y=-42 | | 2y-c= | | 4v(5v-7)= | | X/-15=21 | | -4x+9y=-13 | | 5-y+5=1 | | .75(x+124)=276 | | .75(x+124)=228 | | 12(2+3a)= | | 6+p=-10 | | 5(9x-10)=175 |