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-7α + 28 = 7 please help​

-7α + 28 = 7 please help​
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-7α + 28 = 7


please help​

User Vasile
by
7.5k points

2 Answers

2 votes

Answer:

-7α + 28 = 7

-7α + 28 - 28 = 7 - 28

-7α = -21

α = -21/-7

α = 3

  • The value of α is 3.
User Yakimych
by
8.3k points
3 votes
Answer:

a = 3

Explanation:

-7a + 28 = 7

Subtract 28 from both sides

-7a = -21

Divide both sides by -7

a = 3
User Bing Jian
by
8.0k points
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