If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
-r = -3/7 // + -3/7
-r-(-3/7) = 0
3/7-r = 0
3/7-r = 0 // - 3/7
-r = -3/7 // * -1
r = 3/7
r = 3/7
| 5(y^2-42)+61y=0 | | 56÷2/5= | | 8x+8x=-15 | | 56÷2/5 | | x(5x+12)-9=0 | | b(b-4)-45=0 | | 3p-2=3p+3 | | 15n=5m+10 | | -4n+1+5n=3 | | z^2+12z+48=0 | | 4n+1+5n=3 | | 10h-2h+10=4h | | y^2-10y-14=0 | | r-6/r-4 | | 6x+8=17-(5-2x) | | 16r^2+72s+81=0 | | e^3x+5=123 | | x-1+49=x^2 | | (14x-15)+(x)=90 | | 1/4h=16 | | tan(x+y)=x | | 16=m+7 | | y=ln(7)ln(x) | | c^2+24+10c=0 | | 3x*2=7x | | 2y+3y=16y+9 | | -54x=3x^3-27x^2 | | -18-w+2(w-6)=0.5(12-2w) | | 4w+w^2=16 | | -2v(v-1)(v-2)=0 | | (5z-7)(1-z)=0 | | w/2w-3=w/4 |