If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
w+4/7 = -3/7 // + -3/7
w+4/7-(-3/7) = 0
w+4/7+3/7 = 0
w+1 = 0 // - 1
w = -1
w = -1
| -2/5a=-4/5 | | 14x+21=4x+221 | | 1/5+a=-29/55 | | b+5/7=83/77 | | a-3/5=-53/5 | | 27/8=t+3/8 | | 2/5x=1/6 | | k/6=-2 | | 2x^2-(a+3)x+(3b-2)=0 | | k/-7=6 | | x-5/7=23/7 | | 7+t=47/7 | | 6d=-9/5 | | 21=a+10 | | t/2=-7 | | 5/6m=-5/3 | | w+1/2=15/2 | | b/-2=-2/3 | | 2/3+a=-25/3 | | a2+1/12a-1/2=0 | | a2+17a+70=0 | | m2-5/12m+1/24=0 | | k2-87/88k+5/22=0 | | 4b-7=-10-b | | b-5/7=313/42-1/6b | | 1/4m-4=-163/40+2/5m | | 6+6b=-3b+69 | | -1/2+t=4/5t-21/50 | | 2w+1/2=31/20+1/2w | | 5w+3=21/5+w | | -5n+5/6=6n-655/6 | | -x-5=-3/5x-9/5 |