oliviaakers243
oliviaakers243 oliviaakers243
  • 13-09-2022
  • Mathematics
contestada

Pls help me with my math

Pls help me with my math class=

Respuesta :

MilkyAngel
MilkyAngel MilkyAngel
  • 13-09-2022
Step-By-step
|18 + x/2| > 10
|1/2x + 18| > 10
Solve Absolute Value.
|1/2x + 18| > 10
We know either
1/2x + 18 > 10
or
1/2x + 18 < −10

(Possibility 1)
1/2x + 18 > 10
1/2x + 18 − 18 > 10 − 18
(Subtract 18 from both sides)
1/2x > − 8
2* (1/2x) > (2)* (−8)
(Multiply both sides by 2)
x > -16

(Possibility 2)
1/2x + 18 < −10
1/2x + 18 − 18 < -10 − 18
(Subtract 18 from both sides)
1/2x < −28
2* (1/2x) < (2)* (−28)
(Multiply both sides by 2)
x < -56

(Answer)
x > -16 or x < −56
Answer Link

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