How do you simplify $- (- 2 a + 13) + (- 9 a - 2) - (- 7 a - 3)$ $-(-2a+13)+(-9a-2)-(-7a-3)$ ?

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Answer 1 · 2018-06-01T20:47:33

$- 12$ $-12$

$- (- 2 a + 13) + (- 9 a - 2) - (- 7 a - 3)$ $-(-2a+13)+(-9a-2)-(-7a-3)$
$= 2 a - 13 - 9 a - 2 + 7 a + 3$ $= 2a - 13 -9a - 2 + 7a+3$
$= - 12$ $= -12$

How do you simplify −(−2a+13)+(−9a−2)−(−7a−3) -(-2a+13)+(-9a-2)-(-7a-3)?