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)
5/9 = x/13 // - x/13
5/9-(x/13) = 0
5/9-1/13*x = 0 // - 5/9
-1/13*x = -5/9 // : -1/13
x = -5/9/(-1/13)
x = 65/9
x = 65/9
| 75=4k-17 | | 8x+12y=23 | | 5.5q-3.2-5.8q=-1.3q-2.1 | | 2y^3+6y-1=0 | | n/6=8 | | 20-3x=10+2x | | s^2-64/121=0 | | 4-6x+3x=16 | | (3/25)+5x=(1/10) | | c-2=6/3 | | 3x-2=148 | | 3x-2=2.5 | | 2x+12x-9=8-3x | | 3+q=0 | | 2x^3+x^2-20x+4=0 | | 2/4-6 | | 3(-2)-4(-2)= | | 3xy-6x^2y+9xy^2= | | (3/4a+2)(1/2a-2) | | 2X^2-11x+19=0 | | 5.5q-3.2-5.8q=1.3q-2.1 | | 9(p+9)=-99 | | 4y-y=9 | | 0.4(3+2x)+1.5x=3.2 | | 4x-9/3+x/6=x/2-2 | | -91=-7(v+4) | | x/10=x+2/90 | | 1/2a+3/4b+3/8-1/8a+1/4b-1/2 | | 3(-3)-2=x | | Y/14=-7 | | 0.5(3t+0.6)=19.8 | | -2/9*3/9 |