Question Simplify the expression 175−18r Evaluate 215−40−r×18Use the commutative property to reorder the terms 215−40−18rSolution 175−18r Show Solution Find the roots r=18175Alternative Form r=9.72˙ Evaluate 215−40−r×18To find the roots of the expression,set the expression equal to 0 215−40−r×18=0Use the commutative property to reorder the terms 215−40−18r=0Subtract the numbers 175−18r=0Move the constant to the right-hand side and change its sign −18r=0−175Removing 0 doesn't change the value,so remove it from the expression −18r=−175Change the signs on both sides of the equation 18r=175Divide both sides 1818r=18175Solution r=18175Alternative Form r=9.72˙ Show Solution
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