Simplify the following expression.

2 * (a+bc) + cb+ab+ac-3 * (ab-cb-ba+bc)

A.

3a + 3bc + 2ac + 2ac

B.

2a + 2bc + ab + ac

C.

2a + 3bc + ab + ac

D.

2a + 2bc + cb + ab + ac

4. Six times the sum of a number and 3 is 12 less than 12 times the number. Write and solve an equation to find the number.

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2 (x+1) + 3 (x-3) simplified answer

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