eli8872 eli8872

09-02-2019
Mathematics

contestada

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

Respuesta :

mathecoach mathecoach

09-02-2019

Answer:

3a+b-54 is not an equation

do you mean 3a + b = 54

3a + b = 54

3a = 54 - b

a = (54 - b)/3 = (54 - 9)/3 = 45/3 = 15

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