Question Simplify the expression −809−7k Evaluate 10−819−7kSolution −809−7k Show Solution Find the roots k=−7809Alternative Form k=−115.5˙71428˙ Evaluate 10−819−7kTo find the roots of the expression,set the expression equal to 0 10−819−7k=0Subtract the numbers −809−7k=0Move the constant to the right-hand side and change its sign −7k=0+809Removing 0 doesn't change the value,so remove it from the expression −7k=809Change the signs on both sides of the equation 7k=−809Divide both sides 77k=7−809Divide the numbers k=7−809Solution k=−7809Alternative Form k=−115.5˙71428˙ Show Solution