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15 votes
15 votes
-7α + 28 = 7


please help​

User Marc Cals
by
2.7k points

2 Answers

17 votes
17 votes

Answer:

-7α + 28 = 7

-7α + 28 - 28 = 7 - 28

-7α = -21

α = -21/-7

α = 3

  • The value of α is 3.
User Scotch
by
2.6k points
25 votes
25 votes
Answer:

a = 3

Explanation:

-7a + 28 = 7

Subtract 28 from both sides

-7a = -21

Divide both sides by -7

a = 3
User Mahira Khan
by
2.7k points