Question Simplify the expression 11−20a Evaluate 16−5−20aSolution 11−20a Show Solution Find the roots a=2011Alternative Form a=0.55 Evaluate 16−5−20aTo find the roots of the expression,set the expression equal to 0 16−5−20a=0Subtract the numbers 11−20a=0Move the constant to the right-hand side and change its sign −20a=0−11Removing 0 doesn't change the value,so remove it from the expression −20a=−11Change the signs on both sides of the equation 20a=11Divide both sides 2020a=2011Solution a=2011Alternative Form a=0.55 Show Solution
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