anonymous
  • anonymous
3 − (2x − 5) < −4(x + 2) Solve for inequality
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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pooja195
  • pooja195
Any ideas on where to start?
anonymous
  • anonymous
distribute?
pooja195
  • pooja195
Yep :)

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pooja195
  • pooja195
Start by distributing −4(x + 2)
anonymous
  • anonymous
-4x + -8?
pooja195
  • pooja195
yep so we have 3 − (2x − 5) < -4x-8 we can get rid of the parentheses on the other side 3 − 2x − 5< -4x-8 Combine the like terms
anonymous
  • anonymous
3 - 6x -5 < -8
pooja195
  • pooja195
−2x+8<−4x−8 ^thats what it simplifies too -5-3=-8
pooja195
  • pooja195
Add 4x to both sides. −2x+8+4x<−4x−8+4x 2x+8<−8 Subtract 8 from both sides. 2x+8−8<−8−8 2x<−16
pooja195
  • pooja195
from here divide by 2 since we are isolating x
pooja195
  • pooja195
*divide both sides by 2
anonymous
  • anonymous
x >= -8?
pooja195
  • pooja195
not quite why did u flip the symbol? We only do that IF the number you are dividng by is a negative
anonymous
  • anonymous
ohhh so x < 8
anonymous
  • anonymous
or =
pooja195
  • pooja195
the -8 was right
pooja195
  • pooja195
We dont need an = sign anywhere
pooja195
  • pooja195
x<8
anonymous
  • anonymous
Ok that makes since. Thank you
pooja195
  • pooja195
lol you're welcome :)
courtneygraley009
  • courtneygraley009
Try http://www.acalculator.com/quadratic-equation-calculator-formula-solver.html to solve your Problem.

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