If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
(1/4)*n = 12 // - 12
(1/4)*n-12 = 0
1/4*n-12 = 0 // + 12
1/4*n = 12 // : 1/4
n = 12/1/4
n = 48
n = 48
| 18=n-9 | | (1-4/7)^2 | | -5=b/-2-7 | | 3/8/1/4*1/9 | | 4x^2/5-240=0 | | x^2-3=x/2-3/2 | | 25x^11/49x^9 | | -2x+4[x-2]=8 | | 16x^2+195x=87 | | 174/5-41/3 | | 16x^2+195x-87=0 | | 7[v+3]-4v=6 | | (4-3a)=2a+10 | | 16-9/2/3 | | 50p=300 | | 50p=250 | | x^2-2x+8/9=0 | | (5a+7b)-(3a+2b)= | | 12+2(x^2-11)=14 | | 2/3/7/8 | | 4x+3(10-4x/3)=10 | | h^2+6h=0 | | y=10-4x/3 | | 16/3*-9/8 | | (4a+8)=-(2a-6) | | 7x^2-29=15-4x^2 | | 3x^2=14-2x^2 | | -5/11*-33/10 | | 3+1t=15 | | 5x+46334=74625522 | | 12(x^2-5)=292 | | (4a+8)=3a+6 |