If it's not what You are looking for type in the equation solver your own equation and let us solve it.
l in (-oo:+oo)
l = 6*(1680/8) // - 6*(1680/8)
l-(6*(1680/8)) = 0
l-1260 = 0
l-1260 = 0 // + 1260
l = 1260
l = 1260
| x-30=-19 | | z+24=104 | | y-58=-46 | | -2+0.5y+y=34 | | 2(-6-2y)-y=3 | | 3/2x-4-5/3x-6=3/5 | | 182=-u+109 | | x+65=121 | | 4x+5800=1000 | | 180-w=243 | | 12x+4=33-2x | | -w+254=58 | | y+65=150 | | n/7=192 | | 8y-8-8y=-24 | | 2+0.5x=1+0.25y | | P=4m-7+9n | | 0.03(250+.25y)=-36 | | 8y^2/2y^-3 | | [-2x+1]=7 | | 1x+-3=-5 | | 6x+2=2x-5 | | 2-x=3x-1 | | -3+-3=-6 | | 19+x=7-5x | | 42-v-=274 | | 2x*6=4x+12 | | X+15=5x-17 | | -2*(x*x)-2x-5=0 | | x^2+y^2-4x+12y-7=0 | | 14-2k=16 | | 3x-4=11-2 |