angie096731
angie096731 angie096731
  • 02-11-2016
  • Mathematics
contestada

How do I solve this linear equation?
21+x=30

Respuesta :

ramenmcdonald
ramenmcdonald ramenmcdonald
  • 02-11-2016
21+x=30

30-21 is 8

x=8
Answer Link
1mathwhiz 1mathwhiz
  • 02-11-2016
simple 30 -21 gives you 9 then 9 +21 gives you 30 that means x =9
Answer Link

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