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4. Simplify the expression. Then evaluate the expression when x = 3. 12x + 4 - 4x

4. Simplify the expression. Then evaluate the expression when x = 3. 12x + 4 - 4x
asked 185k views
5 votes
4. Simplify the expression. Then evaluate the expression when x = 3.
12x + 4 - 4x

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User Mathieu Dhondt
by
8.4k points

2 Answers

5 votes
Simplified: 8x+4 (do this by combing like terms, in this case it’s 12x and -4x because they both have X)
When x=3: 8(3)+4 = 28
answered
User Interlude
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9.0k points
4 votes

Answer:

8x+4 ; x = 28

Explanation:

answered
User Delphian
by
8.8k points
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