Solve: -rt - 80 > 30 for r. show your work!
1 answer:
<h2>Steps:</h2>
So to solve for a variable, we must isolate it onto 1 side of the inequality. In this case, we must isolate r. Firstly, add 80 to both sides of the inequality:
Next, divide both sides by t:
Next, multiply both sides by -1. Since we are multiplying by a <em>negative</em> number, flip the inequality symbol as well:
<u>In short, your final answer is </u>
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It will just keep going on as a decimal so you do not need to keep going, three spaces after the decimal should be an acceptable answer.
