hellwegalexandechef hellwegalexandechef
  • 30-10-2017
  • Mathematics
contestada

Solve for x. 7(x + 1) = 21
x = 2
x = 20/7
x = 22/7
x = 4

Respuesta :

skullydellinges56
skullydellinges56 skullydellinges56
  • 30-10-2017
x= 2 because 7x+7=21, -7 and 7x=14
Answer Link
ladyyneek1 ladyyneek1
  • 30-10-2017
7x+7=21 
     -7  -7
7x=14
 divide 7 on both sides 
x=2
Answer Link

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