makaylaneedshelp44 makaylaneedshelp44

09-12-2020
Mathematics

contestada

b - 9 = 21
linear equations

Respuesta :

alexisbrown0 alexisbrown0

09-12-2020

Answer: b=30

Step-by-step explanation: add 9 to both sides

b−9+9=21+9

b=30

Answer Link

stualyssalthomas stualyssalthomas

09-12-2020

add 9 from 9 this will cancel out the nine then add 9 to 21 and what ever u get is ur answer b=30

Step-by-step explanation:

b-9=21

+9

Answer Link

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