americamandujano90 americamandujano90
  • 23-05-2019
  • Mathematics
contestada

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

Respuesta :

Аноним Аноним
  • 23-05-2019

Use substitution method

3a+9=54

3a+9-9=54-9

3a= 45

divide by 3

3a/3= 45/3

a= 15

Answer is a= 15

Answer Link
St2427
St2427 St2427
  • 23-05-2019

=3a+9=54

=3a=54-9

=3a=45

=a=45/3

therefore a=15

Answer Link

Otras preguntas

find the cube root of 740
how can you tell that a fraction corresponds to a repating decimal and not a terminating decimal
what is the factor of both x^2 - x - 6 and x^2 - 5x + 6 ? please explain .
How do you solve sleep deprivation? And i am not trolling!
What is the displacement after 6 seconds when a car is moving at 12m/s and coasts up a hill with a uniform aacceleration of -1.6 m/s^2
how can you tell that a fraction corresponds to a repating decimal and not a terminating decimal
How do you solve 6x89 (Distributive property)
Graph the linear equation solve for Y 3x+y=6
How do you solve 6x89 (Distributive property)
how do you simplify 681