Question Simplify the expression Solution −2957−7a Evaluate 753−3710−7aSolution −2957−7a Show Solution Find the roots Find the roots of the algebra expression a=−72957Alternative Form a=−422.4˙28571˙ Evaluate 753−3710−7aTo find the roots of the expression,set the expression equal to 0 753−3710−7a=0Subtract the numbers −2957−7a=0Move the constant to the right-hand side and change its sign −7a=0+2957Removing 0 doesn't change the value,so remove it from the expression −7a=2957Change the signs on both sides of the equation 7a=−2957Divide both sides 77a=7−2957Divide the numbers a=7−2957Solution a=−72957Alternative Form a=−422.4˙28571˙ Show Solution