Question Simplify the expression −2x+9 Evaluate −(2x−9)Solution −2x+9 Show Solution Find the roots x=29Alternative Form x=4.5 Evaluate −(2x−9)To find the roots of the expression,set the expression equal to 0 −(2x−9)=0Calculate −2x+9=0Move the constant to the right-hand side and change its sign −2x=0−9Removing 0 doesn't change the value,so remove it from the expression −2x=−9Change the signs on both sides of the equation 2x=9Divide both sides 22x=29Solution x=29Alternative Form x=4.5 Show Solution