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)
-((3/5)*x)-8 = -64/5 // + -64/5
-((3/5)*x)-(-64/5)-8 = 0
(-3/5)*x+64/5-8 = 0
24/5-3/5*x = 0 // - 24/5
-3/5*x = -24/5 // : -3/5
x = -24/5/(-3/5)
x = 8
x = 8
| 1/8+5/6x=21/8 | | -8+5x=-53 | | 7x+3=2x-7 | | 10-4/5x=10 | | -7x+1=89/12 | | -1/3x+5/9=82/99 | | 5/7x-4=-3/7 | | x-7=x+13 | | 7x+3=2x*7 | | 4x-1/7=-8/7 | | 1/2x-4=-65/18 | | 3+3/7x=261/77 | | 1/2x+1/2=4/5 | | 1/3x+5=20/3 | | 7-1/3x=13/3 | | 5x+2/9=13/18 | | 1+1/7x=31/28 | | -3/5x+10=62/5 | | 4/7x+2=34/7 | | 6x+9/10=549/10 | | -x+1/2=-15/2 | | 6+3x=14/3 | | 1/5x+4=163/40 | | 5/6x+1=61/36 | | 6x+1=31/7 | | -6/7x+6=-30/7 | | -4/5+4x=-24/5 | | -7+5x=-39/7 | | -2/3x-7/8=43/24 | | -4/7x+1=23/35 | | 5/7x-1=-10/7 | | -4/5+x=-76/45 |