Partial Solutions For Extended Einsteinian Formulas:
 More Complete Equations;

(partial form with equations #1 and #2):

                                  E * mc^2
if Ep = 2*mc^4+2*v*mc^3, and Ep = -------- , then,
                                  mc^2 - E
E * mc^2
-------- = 2*mc^4 + 2*v*mc^3, solve for E:
mc^2 - E

E*mc^2 = (mc^2 - E) * (2*mc^4 + 2*v*mc^3),

E*mc^2 = mc^2*(2*mc^4 + 2*v*mc^3) - E*(2*mc^4 + 2*v*mc^3),

E*mc^2 + E*(2*mc^4 + 2*v*mc^3) = mc^2*(2*mc^4 + 2*v*mc^3),

E*mc^2 + E*2*mc^4 + E*2*v*mc^3 = mc^2*(2*mc^4 + 2*v*mc^3),

E*(mc^2 + 2*mc^4 + 2*v*mc^3) = mc^2*(2*mc^4 + 2*v*mc^3),

    mc^2*(2*mc^4 + 2*v*mc^3)
E = ------------------------,
    mc^2 + 2*mc^4 + 2*v*mc^3

partial form:

E = 2*mc^4 + 2*v*mc^3, E - 2*mc^4 = 2*v*mc^3,

1       1
- * E - - * 2*mc^4 = 2*mc^3,
v       v

1   1       1   1
- * - * E - - * - * 2*mc^4 = mc^3, 
2   v       2   v

nE + C = mc^3.