If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x/28 = 5/7
(2*n)/5-(2/13) = 42/65
3/5 = x/15
2/3 = x/9
x^3;x^2+1
| -27=-5a+b | | -60+x^2-11x=0 | | 2*(x+1)=22 | | 2n/5-2/13=42/65 | | 3x-6=57 | | w^2+7w-50=0 | | -60-x^2-11x=0 | | 7m+8n=89 | | 10x-(6x-5)=21 | | -4=-2a+b | | 8-x=30-2x | | w(5w^3)-2/w^-4= | | -1/4*2.4-1 | | 4x-y=11y | | 7n+2=107 | | x+5-5=10 | | 12x-11=-4-2x | | 7n+2=137 | | 8+9+13+13+15+19+20+25= | | 2=log(x+7) | | 2y^2x-4y=-24 | | (8x^4)(15x^2)/6x | | (1-.3)-4.25= | | 11-2x=-7 | | X+4-9-5x=0 | | 16=4+3u | | -0.7x+4=2.6 | | 5x+6+1-x=3x-5+18-x | | -0.7+4=2.6 | | 3X+13=-77x | | 95+x=3x-5 | | 95+x=35-3x |