carpentertanisha carpentertanisha
  • 10-09-2020
  • Mathematics
contestada

Six times the sum of a number and seven is 30. Find the number.

Respuesta :

kaylinxie
kaylinxie kaylinxie
  • 10-09-2020

Answer:

x = -2

Step-by-step explanation:

6(x+7)=30

6x+42=30

6x=-12

x=-2

Answer Link
Sueraiuka
Sueraiuka Sueraiuka
  • 10-09-2020

Step-by-step explanation:

Hey there!!

According to the question,

One number is 7.

Let another no. be x.

So, the condition is 6(x+7)= 30

Now,

6(x+7) = 30

6x +42 = 30

6x = 30-42

[tex]x = \frac{ - 12}{6} [/tex]

Therefore the no. is -2.

Check,

6(-2+7)= -12 + 42 = 30 { they gets subtracted but sign remains (+) only }.

Hope it helps....

Answer Link

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