Asked by Lupa
Hi guys! I just had a overdue assignment in math. I am a little lost in this topic, so I was hoping someone could help me out? Thanks!
Tell whether each equation is true, false, or open. Explain.
1. 6 - t = 12
2. 7 + (-5) = 12
3. 31 - 15 = 22 + (-3)2
If anyone knows how to figure out these equations, I would love to have them share. Thank you!
- Lupa
Tell whether each equation is true, false, or open. Explain.
1. 6 - t = 12
2. 7 + (-5) = 12
3. 31 - 15 = 22 + (-3)2
If anyone knows how to figure out these equations, I would love to have them share. Thank you!
- Lupa
Answers
Answered by
Lupa
Okay, I was working some of them out. I believe that #1 is a true equation, but I am not for sure.
Answered by
Lupa
Oops, sorry meant false. Is it correct?
Answered by
oobleck
#1 is open
It can be true or false, depending on the value of t.
Now check the others to see whether they are always true or always false. That is, evaluate both sides.
It can be true or false, depending on the value of t.
Now check the others to see whether they are always true or always false. That is, evaluate both sides.
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