Question

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

Answer 1

1/2x-5=7 is the answer to this problem

Answer 2

Answer:

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

)