nicolehakobyan nicolehakobyan
  • 19-02-2021
  • Mathematics
contestada

Solve: -25 < x + 20 < 25

Respuesta :

mrichard232 mrichard232
  • 20-02-2021

Answer:

-45 < x < 5 (see graph below)

Step-by-step explanation:

to isolate x by itself, subtract 20 from all three terms of the equation:

[tex](-25-20)<x+(20-20)<(25-20)[/tex]

once you finish subtracting 20, x should be by itself, making the equation graphable:

[tex]-45 < x < 5[/tex]

since x is not equal to -45 or 25, the graph line endings have open circles.

Ver imagen mrichard232
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