Question Simplify the expression 15−w Evaluate 19−w−4Solution 15−w Show Solution Find the roots w=15 Evaluate 19−w−4To find the roots of the expression,set the expression equal to 0 19−w−4=0Subtract the numbers 15−w=0Move the constant to the right-hand side and change its sign −w=0−15Removing 0 doesn't change the value,so remove it from the expression −w=−15Solution w=15 Show Solution