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Paraphin
[41]
3 years ago
11
Solve 3(a + 3) – 6 = 21. Write a reason for each step.
Mathematics
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2
answers:
kakasveta
[241]
3 years ago
7
0
Answer:
Step-by-step explanation:
3(a+3)-6=21
<=>3a+9-6=21
<=>3a+3=21
<=>3a=18
<=>a=6
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sergeinik
[125]
3 years ago
7
0
Your answer is a=6 and why is on this paper
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