Asked by jerry
-8<1-3(x-2)<13
Answers
Answered by
Reiny
-8<1-3(x-2)<13
let's just work on it as it sits
-8 < 1-3x+6 < 13
-8 < 7-3x < 13
subtract 7 , (does not affect inequality sign)
-15 < -3x < 6
divide by -3 , (switches the < to a > sign)
5 > x > -2
better form:
-2 < x < 5
let's just work on it as it sits
-8 < 1-3x+6 < 13
-8 < 7-3x < 13
subtract 7 , (does not affect inequality sign)
-15 < -3x < 6
divide by -3 , (switches the < to a > sign)
5 > x > -2
better form:
-2 < x < 5
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