If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
y/15 = 6 // - 6
y/15-6 = 0
1/15*y-6 = 0 // + 6
1/15*y = 6 // : 1/15
y = 6/1/15
y = 90
y = 90
| 13-7x=11528x | | log(x+1)+log(x-1)=log(8) | | U=R-1.5 | | x(x+2)=30 | | 2g+2w=q | | U+R=3.5 | | (2i+3)(3i+7)=1 | | 61-6x=30x+21 | | 25/5x5+7-3 | | 9x-3=3x+12 | | (2i+3)(3i+7)=0 | | 104-6x=8x | | 6p-3(1+8p)= | | x^2+4x-39=6 | | 116-5x=2+11 | | x^2/9y^4/z^7/2z^4*4y^2/x^6=28 | | 42=10x+2 | | 1320=.75x+1000 | | 51.84=6.4(5p-2) | | 2(L+1)-2(D)=-3 | | y=-16x^2+30x+6 | | -x^2+30x-221=0 | | 3w^2=51 | | 20xy-18x=80x+7 | | 2y+5w= | | s+2.1=5.36 | | .1(Y-5)+.18Y=.04Y-.2 | | p+2.4=6.54 | | x^6-27y^3=0 | | x+1/3=7/2 | | 2D-4L=8 | | .1(Y-5)+.14Y=.04Y-.2 |