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Nadusha1986 [10]
3 years ago
13

What property is this 1 + 2 = 2 + 1

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
7 0

Answer: equality of a equation

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Answer:

x = 4

Step-by-step explanation:

2 + 3(3x - 6) = 5(x - 3) + 15

Expand the parenthesis:

2 + 9x - 18 = 5x - 15 + 15

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9x - 16 = 5x

Subtract 5x from both sides:

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Add 16 to both sides:

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Divide both sides by 4:

x = 4

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Irina18 [472]

Answer:

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