If it's not what You are looking for type in the equation solver your own equation and let us solve it.
u in (-oo:+oo)
15 = u/(-14) // - u/(-14)
15-(u/(-14)) = 0
1/14*u+15 = 0 // - 15
1/14*u = -15 // : 1/14
u = -15/1/14
u = -210
u = -210
| -3=r-8 | | X+5=x-(3t) | | 14x=54x^2 | | -5(r-4)=-5r+20 | | -20=20+8/5n | | 6(2x+1)=-252 | | -5+7.9x-16=9.4 | | -1+1+3n+2n=4+4n-7 | | 5(1+2r)=-19+10r | | m/4.6=3 | | -(6y+3)-(-5-6)=2 | | 5+3(q+-4)=2(q+1) | | (1/16)x^4-y^4 | | 9=-2/3x-11 | | -122=-8y | | 321/3 | | 4r+12=52 | | 3/8×5/7 | | -122=-8t | | 2=-10-2/3x | | 6=-w/8= | | -6(1+x)=-6+6(x+6) | | 2(x+-4)=2x+1 | | -k/14=2/20 | | -n+7=2n | | 1/5c=2/7 | | 2(k-1)=5(k-2) | | X-1/5=20 | | -4-7r=-60 | | -8z+3z=8z+6+3z | | -26p-5(2-6p)=2(p-5)-6 | | -4x+18=2x+16 |