SOLUTION: Solve the inequality and write the solution in interval notation:
3|7a+1|-5≥ 76
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Question 1133398: Solve the inequality and write the solution in interval notation:
3|7a+1|-5≥ 76
Found 2 solutions by MathLover1, addingup:
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
solutions:
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the solution in interval notation:
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number line:
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
Solve for a:
3|7a+1|-5 ≥ 76
3|7a+1| ≥ 81
|7a+1|/3 ≥ 81/3
|7a+1| ≥ 27
7a+1 ≥ 27 or 7a+1 ≤ −27
7a ≥ 26 or 7a ≤ −28
a ≥ 26/7 or a ≤ −4
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