jjwoissol jjwoissol

10-05-2021
Mathematics

contestada

If h(x) = f(x) - g(x) = 2x, at what x-value will f(x) = g(x) + 20?
a) x = 20
b) x = 10
c) x = 5
d) x = 2

Respuesta :

jcherry99 jcherry99

10-05-2021

Answer:

B

Step-by-step explanation:

This is a neat question

f(x) - g(x) = 2x Add g(x) to both sides

f(x) = g(x) + 2x

Now you need the right hand side to have 20 added to g(x).

2x must = 20

2x = 20 Divide by 2

x = 20/2

x = 10

So the answer must be x = 10

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