155k views
3 votes
1. 3f+10-6f-4
2. 7ab-2a+5ab-9a
3. -2t-8r+3t-4r
4. 2a+9b-5a-10b PLEASE HELP!!

User Shirlene
by
7.9k points

2 Answers

0 votes

Answer:

-3f + 6

12ab - 11a

t - 12

-3a - b

Explanation:

3f + 10 -6f -4 Combine like terms

(3f -6f) +( 10-4)

-3f + 6

7ab - 2a + 5ab - 9a

(7ab + 5ab) + (-2a - 9a)

12ab + -11a Adding a negative is the same as subtracting a positive

12ab - 11a

-2t - 8r + 3t - 4r

(-2t + 3t) + (-8r - 4r)

t + -12r

t - 12

2a + 9b - 5a - 10b

(2a - 5a) + ( 9b -10b)

-3a - b

User Jharding
by
8.6k points
5 votes

1. 3f + 6

2. 12ab - 11a

3. 1t - 12r

4. 3a -1b

pls pls pls pls mark as brainiliest

pls im literally begging you

User Kashif Qureshi
by
7.5k points
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