Question

1/(2x + 2y) - x/(5x + 5y)
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Answer 1

$\frac{1}{2x +2 y} - \frac{x}{5x + 5y} \\ \\ \frac{1}{2(x + y)} - \frac{x}{5(x + y)} \\ \\ \frac{5}{10(x + y)} - \frac{2x}{10(x + y)} \\ \\ \frac{5 - 2x}{10(x + y)} \\ \\ \boxed{\boxed{\boxed{ \frac{5 - 2x}{10x + 10y} }}}$