djmcruse
djmcruse djmcruse
  • 24-07-2021
  • Mathematics
contestada

Determine the input that would give an output value of 2/3

Determine the input that would give an output value of 23 class=

Respuesta :

jimthompson5910 jimthompson5910
  • 24-07-2021

Answer:  19

==========================================

Explanation:

The steps you have so far are correct. You just need to multiply both sides by -3

Doing so will clear out the fractions and you'll be left with 19 = x, which is the same as x = 19

Let's check that answer:

[tex]y = -\frac{1}{3}x + 7\\\\y = -\frac{1}{3}*19 + 7\\\\y = \frac{-19}{3} + 7*\frac{3}{3}\\\\y = \frac{-19}{3} + \frac{21}{3}\\\\y = \frac{-19+21}{3}\\\\y = \frac{2}{3}\\\\[/tex]

So the answer is confirmed.

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