Question

e = mc² solve for m. solve for m. m = e + c² m = e - c² m = ec² m = e/c²

Explanation:

Step1: Isolate m

Given $E = mc^{2}$, divide both sides by $c^{2}$ to get $m$ alone.
$m=\frac{E}{c^{2}}=Ec^{- 2}$

Answer:

$m = Ec^{-2}$