Learn how to get rid of absolute value bars || in inequalities:
means
Also learn that
means ,
where the word "OR" is included as part of the solution.
These apply the same whether the inequality symbol is "underlined" ("or equal to")
is implied or not.
1.
That means:
Multiply both inequalities through by 6
<-- ANSWER.
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2.
That means:
Multiply through by 2
Divide through by 2
Add -1 to all three sides:
<-- ANSWER.
Edwin