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)
(8/15)*x = 80 // - 80
(8/15)*x-80 = 0
8/15*x-80 = 0 // + 80
8/15*x = 80 // : 8/15
x = 80/8/15
x = 150
x = 150
| 5p=6855 | | -7a+b=40 | | 4+4(x+7)=3(2x+3)+13 | | -8x+88=-x-3 | | 9X-13=-94 | | 3x+7(-6-5x)=4 | | 8w=5520 | | -7a(3a-4)= | | 7a+3b=-20 | | 37-3x=9-3x | | x^2+10x-2y+3=0 | | x^2+10x-2y+0=0 | | x+82=-8x-2+3x | | [x-2]=1 | | -6x+3=-5x | | x-2/511/4 | | (3x+4)-(6x+1)= | | 4s-20=200 | | -2x-75=-8x-3 | | 12x+106=15x-2-12x | | -2(3x-4)+7x-6= | | 2+(4h-1)=11-2h | | ln*y=3t+2 | | -16=x^2+8x | | 2x+32-x=9+5x-5 | | 9x+1= | | 9(z+2)-3(z-4)=2(z-1)+3(z-4) | | 5x-4(6-3x)=10 | | y^2-x^2+32=0 | | 5x+29=-2x+8 | | 040x-.20(50+x)=-.04(50) | | 64=28-4(x-4) |