Asked by Michaela
The difference of twice a number and 8 is less than 22.
Answers
Answered by
Michaela
What is it as an inequality*
Answered by
mathhelper
difference implies subtraction
|2x - 8| < 22 , since it could be 2x-8 or 8 - 2x
2x - 8 < 22 AND -2x + 8 < 22
2x < 30 AND -2x < 14
x < 15 AND x > -7
-7 < x < 15
which says, that the number is between -7 and 15
|2x - 8| < 22 , since it could be 2x-8 or 8 - 2x
2x - 8 < 22 AND -2x + 8 < 22
2x < 30 AND -2x < 14
x < 15 AND x > -7
-7 < x < 15
which says, that the number is between -7 and 15
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