Question Simplify the expression 5−7a Evaluate 6−7a−1Solution 5−7a Show Solution Find the roots a=75Alternative Form a=0.7˙14285˙ Evaluate 6−7a−1To find the roots of the expression,set the expression equal to 0 6−7a−1=0Subtract the numbers 5−7a=0Move the constant to the right-hand side and change its sign −7a=0−5Removing 0 doesn't change the value,so remove it from the expression −7a=−5Change the signs on both sides of the equation 7a=5Divide both sides 77a=75Solution a=75Alternative Form a=0.7˙14285˙ Show Solution
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