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Evaluate 2x − 4 for x = 9.
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2 votes
Evaluate 2x − 4 for x = 9.

User Sebastian Celis
by
4.3k points

2 Answers

4 votes

Answer: 14

Solution: Substitute x = 9 into the expression and evaluate:

2(9) − 4 = 18 − 4 = 14

User Victorcampos
by
4.6k points
7 votes

Answer:

2x - 4 = 14

When x = 9

Explanation:

Use PEMDAS order of operations to solve:

2(9) - 4

= 18 - 4

= 14

User Mxlhz
by
4.3k points
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