# How do you simplify -(a-7)?

Sep 8, 2015

$- a + 7$
$- \left(a - 7\right)$
Distribute $- 1$ by multiplying $- 1$ times the terms inside the parentheses. This will cause both terms inside the parentheses to change sign.
$- \left(a - 7\right) = - a + 7$