lathishathomas11 lathishathomas11
  • 01-04-2020
  • Mathematics
contestada

find the value of the variable x in the equation x-21=8

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SaltySpark
SaltySpark SaltySpark
  • 01-04-2020

Answer:

x = 29

Step-by-step explanation:

add 21 to both sides.

Answer Link
jojosiwafan10183
jojosiwafan10183 jojosiwafan10183
  • 01-04-2020

x= 29

Because it's subtracting which means they got 21 by adding x+8. Which can also be used as 21+8=9.

Answer Link

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