Question

Evaluate the following expressions for x = 2.

–9.2(4 – x)
–9.2(4 – (2))
–9.2(2)


Evaluate the following expression for x = 2.
-36.8 + 9.2x

Answer 1

-18.4 and -18.4

Step-by-step explanation:

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Answer 2

`-9.2(4 - x) = -18.4`

`-36.8 + 9.2x =-18.4`

Step-by-step explanation:

Given

`-9.2(4 - x)`

`-36.8 + 9.2x`

Required

Evaluate when
`x =2`

`-9.2(4 - x)`

Substitute 2 for x

`-9.2(4 - x) = -9.2(4 - 2)`

Evaluate the expression in bracket

`-9.2(4 - x) = -9.2(2)`

Remove bracket

`-9.2(4 - x) = -9.2*2`

`-9.2(4 - x) = -18.4`

`-36.8 + 9.2x`

Substitute 2 for x

`-36.8 + 9.2x = -36.8 + 9.2 * 2`

`-36.8 + 9.2x = -36.8 + 18.4`

`-36.8 + 9.2x =-18.4`