lozoya3013 lozoya3013
  • 13-09-2020
  • Mathematics
contestada

2 - 6k = 5 - 3k - 12 k =

Respuesta :

devishri1977
devishri1977 devishri1977
  • 13-09-2020

Answer:

k = 3

Step-by-step explanation:

2 - 6k = 5 - 3k -12

Add like terms at RHS

2 - 6k = -3k - 7

Add 6k to both sides

2 - 6k + 6k = -3k - 7 + 6k

2 = 3k - 7

Add 7 to both sides

2 +7 = 3k

9 = 3k

Divide both sides by 3

9/3 = 3k/3

3 = k

k  = 3

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