Write the equation that represents this situation and then solve it. five less than one-half of a number is seven.

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Step-by-step explanation:

n

−

3

2

or

(

n

2

−

3

2

)

Explanation:

First, let's write "three less than the number". "less than the number" means to subtract from the number. So we can write:

n

−

3

.

Now we need to take one-half of this. This means to multiple by

1

2

. Taking what we previously wrote and multiplying by

1

2

gives:

(

1

2

)

⋅

(

n

−

3

)

→

n

−

3

2

or

(

n

2

−

3

2

)

Step-by-step explanation:

n

−

3

2

or

(

n

2

−

3

2

)

Explanation:

First, let's write "three less than the number". "less than the number" means to subtract from the number. So we can write:

n

−

3

.

Now we need to take one-half of this. This means to multiple by

1

2

. Taking what we previously wrote and multiplying by

1

2

gives:

(

1

2

)

⋅

(

n

−

3

)

→

n

−

3

2

or

(

n

2

−

3

2

)