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)
(-4/7)*(y-21)-((1/14)*y) = 0
(-4/7)*(y-21)+(-1/14)*y = 0
-4/7*(y-21)-y/14 = 0
(-4/7*14*(y-21))/14-y/14 = 0
-4/7*14*(y-21)-y = 0
168-9*y = 0
(168-9*y)/14 = 0
(168-9*y)/14 = 0 // * 14
168-9*y = 0
168-9*y = 0 // - 168
-9*y = -168 // : -9
y = -168/(-9)
y = 56/3
y = 56/3
| 1/14=n/14 | | -(5x-7y+2)= | | 8y+10+2y=17+13 | | s/6=21/3 | | 56+(-48)+(-30)= | | 3(3k/4) | | 7=5/6-8 | | C+12=-5 | | 1/n=n/14 | | 9x^2+19x=0 | | x^4+3x^2-7= | | X(5x-7)=2 | | 8x-1=35 | | 6v+19=8v-1 | | -b-b= | | (2x^3)-(3x^2)-(3x)+2=0 | | 6m-5=5m-7-m | | 7x+36=3x | | A-8=9 | | (4x+7)=55 | | 9x-5-4= | | 8-(b)= | | -10x^2y^2+3xy^2+18y^2=0 | | 22+x+14=10+x | | (20*6)-(12/4)=x | | x=1/5hb | | -6(2m+5)=-78 | | 3s^2+2s-16=0 | | g/3-4=12 | | y^2-4y-x^2-3=0 | | 5n^3+2n-7= | | 5-4(8y-6)=-4(-3y-1)+6 |