15-212- 3 x 15-21 +3
Answers
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Step-by-step explanation:
Given:
3
x
+
15
≤
21
Subtract 15 from both sides
3
x
+
15
−
15
≤
21
−
15
3
x
+
0
≤
6
Divide both sides by 3
3
3
x
≤
−
6
3
x
≤
−
2
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