madelinecelesteclegg
madelinecelesteclegg madelinecelesteclegg
  • 24-09-2020
  • Mathematics
contestada

plz show work
3(10-x)=21

Respuesta :

shrekis1thiccbih
shrekis1thiccbih shrekis1thiccbih
  • 24-09-2020

Answer:

x = 3

Step-by-step explanation:

3(10-x)=21

30-3x=21

-30      -30

-3x=-9

x=3

Answer Link
pityhernandez2489 pityhernandez2489
  • 24-09-2020
x=3 because if you divide 21 and 3 you get 7 and in order to change the ten to a 7 you have to subtract it by 3. so x=3
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