Solve for a
a\geq 10
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550a\geq 1700+3800
Add 3800 to both sides.
550a\geq 5500
Add 1700 and 3800 to get 5500.
a\geq \frac{5500}{550}
Divide both sides by 550. Since 550 is positive, the inequality direction remains the same.
a\geq 10
Divide 5500 by 550 to get 10.
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