If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
7/2 = (2*x)/13 // - (2*x)/13
7/2-((2*x)/13) = 0
(-2/13)*x+7/2 = 0
7/2-2/13*x = 0 // - 7/2
-2/13*x = -7/2 // : -2/13
x = -7/2/(-2/13)
x = 91/4
x = 91/4
| 3k-2+k-5=-6(4-k)-(3+7k) | | x-8.3=5.5 | | 32x^2+40x+12=0 | | 14x+7=7+14x | | 48=10x-19+4x | | -9.6=16 | | 4/9*3/10 | | -0.151=-0.008h | | 0.151n=-0.008 | | 2x-2(8y-23)=4 | | 7x-25=-28+4x | | 2x-2(8y-23)=23 | | 12r-6s=t | | (4/9-x)^-1 | | y-9/4=3/4 | | 7-3x=2x+7-5x | | X-(8*3.14)=3.14 | | 18=7x+4-6x | | m+5n=p | | -2+8n-4=14 | | -56-11x=-18x+7 | | 8/2x=12/9 | | 9+4r=4r-3-6 | | 3x-6=5x-2 | | Iny=ktfory | | y+6=-(x-8) | | (a)=x^2-2x-13 | | z=4x | | 2n^2+n-21=0 | | (0)=x^2-2x-13 | | 30/3360 | | (-3)=x^2-2x-13 |