Shamya01 Shamya01

21-02-2018
Mathematics

contestada

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

Respuesta :

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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