NEED HELP ASAP PLS HELP GIVING BRAINLIST!!!!!!!!!!
1 answer:
Hello there!
Reminder: Your question will be removed if you have more than 3 questions in the post.
1:
3 ( -3 + 7x ) ≤ - 93
-9 + 21x ≤ 93
93 + 9 = 102
102/21 = 4.857
4.857 --> 4.86
4.86 ≤ x
2:
-6 ( 1 + 8x ) ≥ 138
-6 - 48x ≥ 138
138 + 6 = 144
144/-48 = -3
x ≥ -3
3:
7 ( 6x -4 ) ≥ 6x - 28
42x - 28 ≥ 6x - 28
36x - 28 ≥ -28
-28 + 28 = 0
36x ≥ 0
4:
86 ≤ -4 ( 1-5x) -2x
86 ≤ -4 + 20x - 2x
86 ≤ -4 + 18x
90 ≤ 18x
90/18 = 5
x ≤ 5
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