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)
F = (7/6)*(n-15) // - (7/6)*(n-15)
F-((7/6)*(n-15)) = 0
(-7/6)*(n-15)+F = 0
F-7/6*(n-15) = 0
F-7/6*(n-15) = 0
F-7/6*n+35/2 = 0
F-7/6*n+35/2 = 0
x belongs to the empty set
| 21*1x=14*1x+1 | | 7w-7=21 | | s/8=3 | | 6(t+2)-3(t-4)=6(t-7)+8 | | 2x^2-11x+39=x^2-7x-7x+49 | | -36=2/x | | 8/x-2/y=-4 | | 9a+7= | | -9/8-5/9 | | 4x^2+21x+136=0 | | x^2-6x+8=1 | | 7d-1=2 | | x^2+14x+49=2x^2+18x+52 | | 5.2-45.5=5 | | 7-q=4 | | 0.3y-y=-6 | | 5/7÷5/6 | | N(n-3)/2=3 | | 5/7÷6/7 | | 6/8=n-4/4 | | 2.50+0.50x=10.00 | | 41=12d+11 | | 5y/7=10 | | 7/35=n/5 | | gx-3g=9x-27 | | 200+1400+2x=250+8x | | ln(x-3)=2.1 | | 28/12=n/24 | | 1.6*x=40 | | 56/n=7/12 | | 3/2×9 | | 2.50+50x=10.00 |