Simplify the expression 5a – 2b – 3 + 2b – 6a
A. –4
B. 2a – 4b
C. –a – 3
D. a – 3

C. -a-3

Step-by-step explanation:

Group like terms:

5a and -6a

-2b and +2b

-3

5a - 6a equals -a (-1a, but you don't write the 1)

-2b and + 2b = 0

Now you have -a and -3.

12cm

the answer is d

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step-by-step explanation: