oliviaakers243
oliviaakers243
13-09-2022
Mathematics
contestada
Pls help me with my math
Respuesta :
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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