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Alex17521 [72]
3 years ago
11

What is the value of a in the equation 5 a minus 10 b equals 45, when b equals 3?

Mathematics
2 answers:
Mrrafil [7]3 years ago
8 0

Answer:

15

Step-by-step explanation:

<u>Given:</u>

  • 5a - 10b = 45
  • b = 3,

<u>Finding the value of a, solving the equation, considering the value of b=3: </u>

  • 5a - 10*3 = 45
  • 5a = 45+30
  • 5a= 75
  • a= 75/5
  • a= 15

<u>Correct choice is</u> 15

il63 [147K]3 years ago
4 0

Answer:

B. 15

Step-by-step explanation:

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