asked 70.4k views
5 votes
From 4a + 7b - 12c subtract 8a - 9b + 12d.

asked
User Paulcm
by
8.3k points

2 Answers

5 votes
4a + 7b - 12c
8a - 9b + 12d
- + -

-4a + 16b

answered
User Mirel Vlad
by
7.8k points
3 votes
4a-8a=-4a 7b-(-9b)= 7b+9b=16b (-12c)-12c=-24c -4a+16b-24c
answered
User GusOst
by
7.7k points

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