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larisa [96]
3 years ago
7

Help me solve for q! 21 + 3q < 3 (13 - q) How do you solve it? Thank you!

Mathematics
1 answer:
Molodets [167]3 years ago
8 0
Good morning

21 + 3q < 3(13 - q)
21+ 3q < 39 - 3q Here it was -3q and it was on the left side. However when you are switching it to another terms that looks like it you must change the sign as well.
3q + 3q < 39 - 21 Here I bring the common terms together.
6q < 18
Divide both sides by 6
6q/6 < 18/6
q < 3
 
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