Question Simplify the expression 8−7x Evaluate 8−x×7Solution 8−7x Show Solution Find the roots x=78Alternative Form x=1.1˙42857˙ Evaluate 8−x×7To find the roots of the expression,set the expression equal to 0 8−x×7=0Use the commutative property to reorder the terms 8−7x=0Move the constant to the right-hand side and change its sign −7x=0−8Removing 0 doesn't change the value,so remove it from the expression −7x=−8Change the signs on both sides of the equation 7x=8Divide both sides 77x=78Solution x=78Alternative Form x=1.1˙42857˙ Show Solution