Question

When 1/2 of the number N is decrease by four, the result is -6. What is three times N added to seven?

Answer 1

Answer:

5

Explanation:

Word problem.

First statememt

n/2 - 4 = -6. ....... (1)

Second statement.

3n + 7 = x. ....... (2)

From (1)

n/2 - 4 = -6.

n/2 = -6 +4

n/2 = -2

n= -4

Put n into (2).

3n + 7 = x

3(-4) +7 = x

x= -12 +7 = -5

The answer is -5.