Answer
California has 55 electoral votes.
Florida has 27 electoral votes.
Work Step by Step
$x+x-28=82$ $\longrightarrow$combine like terms
$2x-28=82$ $\longrightarrow$addition property
$2x-28+28=82+28$ $\longrightarrow$simplify
$2x=110$ $\longrightarrow$multiplication property
$2x\div2=110\div2$ $\longrightarrow$simplify
$x=55$
$55-28=27$