# How do you solve -4/7+y=-2/3?

$y = - \frac{2}{21}$
$- \frac{4}{7} + y = - \frac{2}{3} \textcolor{w h i t e}{. .} \Rightarrow \textcolor{w h i t e}{. .} y = - \frac{2}{3} + \frac{4}{7} = \frac{- 2 \cdot 7 + 4 \cdot 3}{3 \cdot 7} = - \frac{2}{21}$