Question

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4. -3(a + b) + 4(2a - 3b) – (2a - b)​

Answer 1

Step-by-step explanation:

=-3a+(-3+b)+8a-12b-(2a- b)

=3a-3b+8a-12b-2a-b

=3a+8a-2a-3b-12b-b

=7a-6b.

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