If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
-6*a-7 = -47/5 // + -47/5
-6*a-(-47/5)-7 = 0
47/5-6*a-7 = 0
12/5-6*a = 0 // - 12/5
-6*a = -12/5 // : -6
a = -12/5/(-6)
a = 2/5
a = 2/5
| 2n-5/8=-1/8 | | 3n-3/4=-7/4 | | 4a+1/4=-15/4 | | 50=-23.944+0.199x+-0.00008x^2 | | 7m-(2m-n)= | | 4(2y-5)=20 | | 6-1/5w=21/5 | | 3/7k+10=82/7 | | 3/7+4b=13/14 | | 4/5a+2/3=58/15 | | 7d+3=38 | | 5b-9=-29 | | 1/3m+3=19/3 | | (x+5)(x-8)=(x-7)(x-2) | | -2/5t+2=7/3 | | 2k-8=-12 | | 3k-9=-87/10 | | 10+2b=104/9 | | 1/6b-6/7=41/42 | | -7d+5/7=-34/21 | | 3w-9=-87/11 | | y=-8*0.00001x^2+0.199x-23.944 | | 5m+1/8=321/8 | | 3/5n+8/9=643/450 | | 1/2-t=5/2 | | -d+8=11 | | 7m+1=71 | | 4x-2=6/5 | | 6(x+7)=-12(x-5) | | 3/7a+1=43/7 | | 5/7x-1/5=-59/420 | | 9+2k=54/5 |