Shamya01
Shamya01 Shamya01
  • 21-02-2018
  • Mathematics
contestada

What is the value of a in the equation 3a+b=54, when b =9?

Respuesta :

paxx17
paxx17 paxx17
  • 21-02-2018
3a+b=54
then we replace the "b" with 9
3a+9=54
then we have to isolate 3a to figure out the answer
3a+9=54- 3a-9=54-9
3a=45-3a/3=45/3
answer: a=15
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