Respuesta :

Answer: 21

Step-by-step explanation:

[tex]N-\left(2\cdot \:7\right)=7[/tex]

[tex]\mathrm{Remove\:parentheses}:\quad \left(a\right)=a[/tex]

[tex]N-2\cdot \:7=7[/tex]

[tex]\mathrm{Multiply\:the\:numbers:}\:2\cdot \:7=14[/tex]

[tex]N-14=7[/tex]

[tex]\mathrm{Add\:}14\mathrm{\:to\:both\:sides}[/tex]

[tex]N-14+14=7+14[/tex]

[tex]\mathrm{Simplify}[/tex]

[tex]N=21[/tex]

Lenvy

Answer:

N = 21

Step-by-step explanation:

N - (2 × 7 ) = 7                                {2 × 7 = 14}

N - 14 = 7

   + 14   +14

----------------------

N = 21

Now we can substitute:

21 - (2 × 7 )

21 - 14 = 7

Hence, the answer is N = 21

~lenvy~