desssyydes desssyydes
  • 04-07-2018
  • Mathematics
contestada

seven times the sum of a number and 2 is equal to 9

Respuesta :

midknight9
midknight9 midknight9
  • 04-07-2018
Let x = a number

7(x + 2) = 9

Then we solve for x. First, distribute:

7x + 14 = 9

Subtract 14 from both sides:

7x = -5

Divide by 7 on both sides:

[tex]x= \frac{-5}{7} [/tex]

The number is then -5/7.
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