Lilysaintclaire Lilysaintclaire
  • 22-01-2017
  • Mathematics
contestada

part a : what is the value of x?
a. x=3.
b. x=18.
c. x=30.
d. x=9.

part b : find JM in the previous item.
a. JM=3.
b. JM=9.
c. JM=54.
d. JM=63.

part a what is the value of x a x3 b x18 c x30 d x9 part b find JM in the previous item a JM3 b JM9 c JM54 d JM63 class=

Respuesta :

nikiboo
nikiboo nikiboo
  • 22-01-2017
x=3
9x-18=3x
9x-3x=18
6x=18
x=18/6
x=3

since x=3
9(3)-18
27-18
JM=9
Answer Link
charleneyapp
charleneyapp charleneyapp
  • 22-01-2017
9x-18=3x
9x-3x=18
6x=18
x=3

thus, the answer is a.

JM = 9x-18
substitute 3 = x into 9x -18
9(3)-18
=27-18
=9

the answer is b
Answer Link

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