If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
(6/7)*d = 3/7 // - 3/7
(6/7)*d-(3/7) = 0
(6/7)*d-3/7 = 0
6/7*d-3/7 = 0 // + 3/7
6/7*d = 3/7 // : 6/7
d = 3/7/6/7
d = 1/2
d = 1/2
| 3/7d | | 6x^2+13x+11=0 | | 14x+x^2=480 | | 0.16=0.2 | | 1-3x+8= | | .16=0.2 | | -7(8a+4)= | | -(3n+5)= | | (-8)^1/3 | | (x+7)2=64 | | 0.2-0.5k=1.8 | | (x^3-4*x^2-4*x-4)=0 | | 3(5m-1)=27 | | k^2+14k+49=0 | | 4(4-2x)=-32 | | 6(1x-5)=-30 | | x-2/4-6=x/12 | | 4(-10+3x)=-88 | | 4(-8-2x)=-48 | | 7+4x=5x+10 | | 3x-4=-12+5x | | 100/2=3x | | 6x-27=4x-13 | | 100+2x=-3x | | 2x+5=-5x+12 | | x^2-8x-153=0 | | 2x+10=52 | | x+64=8x+14 | | -87=5x+3x+1 | | -9+2x+4x=-45 | | -3+7x+2x=51 | | -3=5x-6x+9 |