If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f in (-oo:+oo)
-6/7 = (3/7)*f // - (3/7)*f
-((3/7)*f)-6/7 = 0
(-3/7)*f-6/7 = 0
-3/7*f-6/7 = 0 // + 6/7
-3/7*f = 6/7 // : -3/7
f = 6/7/(-3/7)
f = -2
f = -2
| 2z+-4=4 | | x^2+4x+20y+84=0 | | x^5-3x^4+6x^3-18x^2+5x-15=0 | | 15v+7v=16 | | -94=c-83 | | -16=w+42 | | 2=3k | | 0+4y=-20 | | 1.5n^2-1.5n=3 | | 4y-10x=132 | | 2592=144y-2y^2 | | 2b^2-5b-5=0 | | 4x^2+5=-67 | | F(n)=-3n+8 | | P+11=23 | | 2x+1=203 | | R(t)=2t^2-21t+15 | | 5x-14-x=-30-2x | | .33333x+12=x+6 | | 5n^2-30=0 | | 3cos^3x-8cosx+4=0 | | 12x+1=12x+4 | | 4x^4+16x^4=36 | | 5/tan15 | | 2b+5atb=7 | | 49x^2-81y^2= | | K^2-4K-8=0I | | 2178=132y-2y^2 | | 8(8-k)=2(k-5) | | .59=log(x) | | x+4(-4)=-20 | | 5x-3y-x+4y= |