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)
(2/7)*y = -13 // + 13
(2/7)*y+13 = 0
2/7*y+13 = 0 // - 13
2/7*y = -13 // : 2/7
y = -13/2/7
y = -91/2
y = -91/2
| 3(1+8n)-(n+3)=-7n+7n | | 5+n+4-2n=-6n+3-4 | | 2.25-g(3)+g(2)=2.25 | | x=37/39 | | 6x^9-42x^7=0 | | 4x-(1/3y)=5 | | 5x+2(x+8)=65 | | 10+5x+x-7= | | 4x(2x-6)=-36 | | x=39/37 | | 6=12x-6/5 | | 7y=-x+14 | | 5(u-2)+3u=22 | | 3x+(5x+2)+26=180 | | s-7/3=25 | | 5x-8x+2x+3x-15=136 | | 4x-[-2x-6]=-36 | | 2w+1=17 | | 12x^2+137x-35=0 | | 11=q-4 | | T-30=43 | | 4x+2x-6=-36 | | 4x-20+2x+10=180 | | -4m-5=-9-5m | | 1-(-6x)=23 | | x=20+-0.75y | | -16x-20=13x+100 | | 3y^2+5y+1=0 | | 2x-15=x+18 | | 5w-13w=16 | | 5x+-9=-3x-12+5x | | 0.25x+0.6y=3.43 |