jrouco2006
jrouco2006 jrouco2006
  • 18-01-2020
  • Mathematics
contestada

Problem solving with inequalities

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GeothermalBroom
GeothermalBroom GeothermalBroom
  • 18-01-2020

We can often solve inequalities by adding (or subtracting) a number from both sides (just as in Introduction to Algebra), like this:

Solve: x + 3 < 7. If we subtract 3 from both sides, we get: ...

Solve: 3y < 15. If we divide both sides by 3 we get: ...

Solve: −2y < −8. ...

Solve: bx < 3b.

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