Question Simplify the expression 9−20n Evaluate 24−15−20nSolution 9−20n Show Solution Find the roots n=209Alternative Form n=0.45 Evaluate 24−15−20nTo find the roots of the expression,set the expression equal to 0 24−15−20n=0Subtract the numbers 9−20n=0Move the constant to the right-hand side and change its sign −20n=0−9Removing 0 doesn't change the value,so remove it from the expression −20n=−9Change the signs on both sides of the equation 20n=9Divide both sides 2020n=209Solution n=209Alternative Form n=0.45 Show Solution
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