Simplify: (7a − 9c) − (−12a − 33c) − (−21a + 10c) −40a − 60c 2a + 22c −26a − 32c 40a + 14c

asked Feb 26, 2018 102k views

2 votes

Simplify: (7a − 9c) − (−12a − 33c) − (−21a + 10c)

−40a − 60c
2a + 22c
−26a − 32c
40a + 14c

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3 votes

distribute all the negatives: 7a-9c+12a+33c+21a-10c

simplify:
40a+14c

Joshlo answered Feb 28, 2018

7.4k points

2 votes

$(7a-9c)-(-12a-33c)-(-21a+10c) \\ \\ =7a-9c+12a+33c+21a-10c \\ \\ =40a+14c \\ \\ \boxed {Answer\ is\ 40a+14c }$

Msh answered Mar 3, 2018

by Msh

7.7k points

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