Question

If g(x) = 2(x − 4), find the value of x if g(x) = 20.

32

12

14

10

Answer 1

need help n explain it to me

Answer 2

g(x) = 2(x-4)
20 = 2x-8
20+8=2x
28=2x
28/2=x
14=x

Answer 3

r u sure

Answer 4

yes http://www.wolframalpha.com/input/?i=If+20+%3D+2%28x+%E2%88%92+4%29%2C+find+the+value+of+x+

Answer 5

ight

Answer 6

help me sir

Answer 7

why do you doubt @HeyItzAri16 's answer?

Answer 8

because i think it's 32

Answer 9

will you show your solution?

Answer 10

oh wait nevermind

Answer 11

i saw what you did

Answer 12

ight 2(20-4)
2(16)
32

Answer 13

g(x) = 20

means you equate g(x) which is 2(x-4) to 20... so the equation is 2(x-4) = 20

that is g(x) = 20

what you did...is replaced 20 with the x of g(x)... this is g(20) not g(x) = 20

do you get it?

Answer 14

yea thxs n soo her answer was right

Answer 15

yup

Answer 16

if unsure of your answer, just check it...
g(14) = 2(14 - 4) = ....

Answer 17

if you get what you're s'posed to get then it's correct....