If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
(5/4)*r-((4*r)/13) = 0
(5/4)*r+(-4/13)*r = 0
49/52*r = 0 // : 49/52
r = 0
r = 0
| -3y-4= | | -5-7m=2m-41 | | 14x-10=31 | | 2n=3n+27 | | Y+2=-3(x-9) | | 50x-20=40x+30 | | (2x+3)=42 | | x+(6+x)=58 | | -17=3-5x | | n-9=-73 | | 18-9x=-12x-18 | | 12x+34=82 | | 27x=42.72 | | 10a-9a+5a=18 | | v=5-7777777777777777.8888888888888888888888888r | | w^2+30= | | X+43=9 | | 10x-2+3x-1=2x-1+25+5x | | x=46+6 | | Y-7=0(x-4) | | 9-g=-2 | | 1=e | | 8x-2=88 | | 3(a+3b-6a+2)= | | -12x^2+8x=-32 | | -(x+6)-10= | | 4r-2r=8 | | 4(x-2)+8=0 | | 1.444444444444444444444444444-555544444444445555xt=324123.3333 | | 2/3x-1=-3/5 | | -4x+y+4=0 | | 15x=192.49 |