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)
(2/7)*n = 3/8 // - 3/8
(2/7)*n-(3/8) = 0
(2/7)*n-3/8 = 0
2/7*n-3/8 = 0 // + 3/8
2/7*n = 3/8 // : 2/7
n = 3/8/2/7
n = 21/16
n = 21/16
| X^2-2/5x=-7/10 | | y=1/3(6)-4 | | 1x+13=1x+5 | | 1/2y-=1/3y | | P=xgh | | 2p+4+82+3p-6=180 | | 20=-4x+30 | | P=xgh/t | | -53-8x=97+2x | | 5n-6=-46 | | -21+8b=9(5b-6) | | 4x-1.2=4x-0.1 | | 12.5+1.5d=4d | | P=mgh/t | | 6c-2-4=2c+6 | | 4t-9=5t+15 | | 15+3n=36 | | -12y=3x | | 2x+0.3=5x+1.3 | | f(x)=5x^3-18x^2+13x-12 | | x+29=-48 | | -1/3z=8/3 | | y=x^3-6x^2+12 | | 31+4y-5=15y-10-5y | | -53-12=13a | | 6/-5u=5/8 | | 25.6=2y | | 7k/3=42 | | 2(P+7)=3 | | a/2+12/15=5/6 | | log[3](5x-1)=log[3](x+7) | | 4(w+7)=24 |