Question Simplify the expression 120−15r Evaluate 195−75−r×15Use the commutative property to reorder the terms 195−75−15rSolution 120−15r Show Solution Factor the expression 15(8−r) Evaluate 195−75−r×15Use the commutative property to reorder the terms 195−75−15rSubtract the numbers 120−15rSolution 15(8−r) Show Solution Find the roots r=8 Evaluate 195−75−r×15To find the roots of the expression,set the expression equal to 0 195−75−r×15=0Use the commutative property to reorder the terms 195−75−15r=0Subtract the numbers 120−15r=0Move the constant to the right-hand side and change its sign −15r=0−120Removing 0 doesn't change the value,so remove it from the expression −15r=−120Change the signs on both sides of the equation 15r=120Divide both sides 1515r=15120Divide the numbers r=15120Solution More Steps Evaluate 15120Reduce the numbers 18Calculate 8 r=8 Show Solution