punisher15384 punisher15384

06-12-2019
Mathematics

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what is the answer 9=4a+13

Respuesta :

iamtaha334 iamtaha334

06-12-2019

Answer:

a= -1

Step-by-step explanation:

first subtract 13 from both sides

9-13= -4. -4= 4a.

now divide both sides by 4 to isolate the variable

-4/4=a= -1

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