3x-4 when x = 7 how do I do this equation I’m confused
2 answers:
Plug the 7 in where it says x.
3x-4
3(7)-4
21-4
17
Answer:
17.
Step-by-step explanation:
1. Plug in 7 for x.
2. 3(7)-4
3. 3 times 7 is 21.
4. 21 minus 4 is 17.
5. The Answer is 17.
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