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3 years ago

6

Simplify: (−7a − 19c) − (−12a + 30c) − (−21a − 11c)

2 answers:

GrogVix [38]3 years ago

8 0

(−7a − 19c) − (−12a + 30c) − (−21a − 11c)

= −7a − 19c + 12a - 30c + 21a + 11c

= (-7a + 12a + 21a) + (11c - 19c - 30c)

= 26a - 38c

= 2(13a - 19c)

statuscvo [17]3 years ago

6 0

2*(13a-19c) hope that helps for you

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