A.) 2a+6b
Explanation:
multiply each term in parentheses by 2
2a+2x+3b
calculate the product
2a+6b
Answer:
He could make 16 piles.
Step-by-step explanation:
Divide 48 by 3: 48 ÷ 3 = 16
2 negatives can be converted to a plus sign. -(-x) can be +x or just x.
-54--23
-54+23
<u>23-54=-31</u>
78--4
<u>78+4=82</u>
-48/-6
Now let's pause fer a sec. When a negative is being divided by another negative, the quotient(answer to division problem) becomes a positive.
<u>-48/-6=8</u>
<u></u>
<u>50*-4=-200</u>
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hope it helps
You could better find the answer at
https://answers.yahoo.com/question/index?qid=20110628190101AAKUGSE
where someone else has already figured it out