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Bogdan [553]
4 years ago
8

3. Simplify the expression:

Mathematics
1 answer:
aksik [14]4 years ago
7 0
Answer:
I think you meant to put an x instead of a r in that equations because 9x-15 is the correct answer so B
Explanation:
Step 1: combine any like terms you can this makes it
5(2x-3)-x
Step 2: distribute 5 to anything in parentheses
10x-15-x
Step 3:
Combine more like terms
9x-15
Step 4: see if there are any more terms you can combine if not it is simplified so the answer here is 9x-15
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4 years ago
What is x/y x=3 y=-3?
Annette [7]
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3 years ago
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I don't understand?<br><br>​
Svetach [21]

Answer:

see explanation

Step-by-step explanation:

The perimeter (P) is the length of all 3 sides of the triangle

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5 0
4 years ago
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