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)
N/12 = 4/16 // - 4/16
N/12-(4/16) = 0
N/12-1/4 = 0
1/12*N-1/4 = 0 // + 1/4
1/12*N = 1/4 // : 1/12
N = 1/4/1/12
N = 3
N = 3
| B=19+14 | | (25+x+10)(x+10)=1350 | | -5x^7/x^2 | | 16x^2+8=33 | | 5.50x+4Y=92 | | -4n-15=49 | | 4X+10=310 | | 10k^2-3=547 | | 1/2x-2x/3-7/3=2 | | B+19=14 | | F(5)=6n-4 | | 12x^2+3x=-a | | 4n-15=49 | | 3x=6x+27 | | 1.5=y*1.5 | | (3x-4)(x-4)-3x(x)=-36 | | 4(3+-1.5y)=-6y+12 | | F(4)=6n-4 | | 3X+15=483 | | (3x-4)(x-4)-3x(x)=36 | | x-2-3x-7= | | 4r^2-7=105 | | (3x+18)*2=6x*7 | | (2x)/(4x) | | F(3)=6n-4 | | 3r+12-6r=27 | | -14w+18=-13w | | xln(x^2-4)=0 | | x+2=2x+5x-10 | | u-15=-7 | | 12-1/2(3.5÷0.5 | | (8+2x)(8+x)-2x(x)=88 |