Question Simplify the expression 5−a Evaluate 420−aSolution More Steps Evaluate 420Reduce the numbers 15Calculate 5 5−a Show Solution Find the roots a=5 Evaluate 420−aTo find the roots of the expression,set the expression equal to 0 420−a=0Divide the terms More Steps Evaluate 420Reduce the numbers 15Calculate 5 5−a=0Move the constant to the right-hand side and change its sign −a=0−5Removing 0 doesn't change the value,so remove it from the expression −a=−5Solution a=5 Show Solution
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