08-12-2016
Mathematics

contestada

10 POINTS!!!

Five added to 2 times a number is equal to 7 less than 4 times the number. What is the number?

A.
–3

B.
–6

C.
6

D.
3

Respuesta :

Аноним Аноним

08-12-2016

2n + 5 is Five added to 2 times a number

4n - 7 is 7 less than 4 times the number

set the expressions equal and solve...

2n + 5 = 4n - 7
2n = 12
n = 6

Answer Link

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