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20 votes
4a + (-1.2b) + (-3a) + 7.9b

2 Answers

4 votes
a + 6.7b
i know this because if u add the a’s and b’s together, then u get a + 6.7b
User Lostyzd
by
3.4k points
0 votes

Hey there!

4a + (-1.2b) + (-3a) + 7.9b

REWRITE/REWORD:

= 4a - 1.2b - 3a + 7.9b

COMBINE the LIKE TERMS:

= (4a - 3a) - (1.2b + 7.9b)

= 4a - 3a - 1.2b + 7.9b

= 1a - 6.7b

= a - 6.7b


Therefore, your answer is: a + 6.7b


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

User Nero Vanbiervliet
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3.7k points