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Evaluate the expression when x=8: 3x - 4
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2 votes
Evaluate the expression when x=8:

3x - 4

Evaluate the expression when x=8: 3x - 4-example-1
User Yassine Badache
by
4.4k points

2 Answers

5 votes

Answer:

20

Explanation:

substitute x = 8 into the expression

3x - 4 = 3(8) - 4 = 24 - 4 = 20

User Mark Erdmann
by
4.5k points
5 votes
Given x=8, insert 8 for x in the given equation.
3x-4
3(8)-4
3 times 8 is 24.
24-4
24 minus 4 is 20.
The answer is the third choice: 20.
User Kpblc
by
5.0k points
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