Question

Solve for x.
-x/3=2
Answer choices:

1.) x=-6
2.) x=6
3.) x=-1

Answer 1

4

Step-by-step explanation:

f

−

1

(

2

)

=

4

Step-by-step explanation:

Let

y

=

2

x

−

6

To get

f

−

1

(

x

)

, solve for

x

in terms of

y

:

y

=

2

x

−

6

y

+

6

=

2

x

1

2

y

+

3

=

x

or

x

=

1

2

y

+

3

Which means

f

−

1

(

x

)

=

1

2

x

+

3

Plugging in

x

=

2

gives

f

−

1

(

2

)

=

1

2

(

2

)

+

3

=

1

+

3

=

4

Answer 2

1. x = - 6

Step-by-step explanation:

Step 1:

- x ÷ 3 = 2 Equation

Step 2:

- x = 2 × 3 Multiply 3 on both sides

Answer:

x = - 6

Hope This Helps :)