If 4x + 8 ≥ 7 + 3x ≥ 9x – 10; find x.
Solution
4x + 8 ≥ 7 + 3x and 7 + 3x ≥ 9x - 10
4x – 3x ≤ 7 - 8 and 7 +10 ≤ 9x - 3x
x ≤ -1 and 17 ≤ 6x
x ≤ 1 and 17 ≤ 6x
6
6
x ≤ 1 and 17/6 ≤ x
x ≤ 1
and x ≥ 17/6
TRY THIS…………….
If 12x + 18 ≥ 7 + 3x ≥ 9x – 29; find x
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