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)
x/6 = x/7-15 // - x/7-15
x/6-(x/7)+15 = 0
1/42*x+15 = 0 // - 15
1/42*x = -15 // : 1/42
x = -15/1/42
x = -630
x = -630
| x(x+11)=12 | | 7=3(x-2)-(x-7) | | 5.6-0.32*10= | | 3x-6=4+2x | | 5.6-0.32*7= | | -5a-10+9+10= | | X=-0.8y+0.625 | | 15=3xy+5y | | 4x+37-6x=2-7x+5 | | 5+4cosx-1=0 | | 5a-3b+7b+8a= | | 0.32-0.05x=0.25x-0.1 | | 0.5(x+7)-1=5 | | x-1+x+(x/2)+5=9 | | 13.2w=63 | | 0=-40x+x^2 | | x/2-8=120 | | y=(1/x^2)-1 | | x/2-4=120 | | 380=20*5+2x | | x/4-2=120 | | 25x^2+70x-49=0 | | 10n-2n= | | -3p+3=2p+13 | | 4y^2+64y+1024=880 | | 4x=120*2 | | (-a-6b+2)3ab= | | 4x=120/2 | | 2(x+1)-7=3x-20 | | 4x/2=120 | | 30-2b=50 | | 2x/4=120 |