1/3x+5<_(less than or equal to)3?

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1/3x+5<_(less than or equal to)3?

2007-10-18 05:21:31 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

3 answers

1/3x + 5 <= 3?
1/3x <= -2
x <= -6

2007-10-18 05:23:50 · answer #1 · answered by gebobs 6 · 0⤊ 0⤋

1/3x + 5 â¤ 3

subtract 5 from both sides

1/3x â¤ -2

multiply both sides by 3 (only flip the sign if multiplying or dividing by a negative number)

x â¤ -6

2007-10-18 05:27:15 · answer #2 · answered by Brian K² 6 · 0⤊ 0⤋

1/(3x) + 5 â¤ 3
1/(3x) â¤ -2
x is negative since 1/(3x) â¤ -2 < 0
1 â¥ -6x
x â¤ -1/6

2007-10-18 06:03:03 · answer #3 · answered by Demiurge42 7 · 0⤊ 0⤋