johnsonjahmyia johnsonjahmyia
  • 15-09-2020
  • Mathematics
contestada

7a - 3= 2a + 12
Solve for a.

Respuesta :

1frogaroni
1frogaroni 1frogaroni
  • 15-09-2020

Answer:

a=3

Step-by-step explanation:

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akbusiness987
akbusiness987 akbusiness987
  • 09-03-2021

Answer:

a = 3

Step-by-step explanation:

7a - 3 = 2a + 12

Add 3 to both sides of the equation:

7a - 3 + 3 = 2a + 12 + 3

7a = 2a + 15

Add 2a to both sides of the equation:

7a - 2a = 2a + 15 - 2a

5a = 15

Divide each side by 5:

5a ÷ 5 = 15 ÷ 5

a = 3

Answer Link

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