Answer
c=11
Work Step by Step
$\frac{2c}{11}=\frac{c-3}{4}$ cross multiply
$8c=11(c-3)$ distributive property
$8c=11c-33$ subtract 11c from both sides
$8c-11c=11c-33-11c$ simplify
$-3c=-33$ divide both sides by -3
$-3c\div-3=-33\div-3$ simplify
$c=11$