Question Simplify the expression −39x−7 Evaluate 3x−42x−7Solution More Steps Evaluate 3x−42xCollect like terms by calculating the sum or difference of their coefficients (3−42)xSubtract the numbers −39x −39x−7 Show Solution Find the roots x=−397Alternative Form x=−0.1˙79487˙ Evaluate 3x−42x−7To find the roots of the expression,set the expression equal to 0 3x−42x−7=0Subtract the terms More Steps Simplify 3x−42xCollect like terms by calculating the sum or difference of their coefficients (3−42)xSubtract the numbers −39x −39x−7=0Move the constant to the right-hand side and change its sign −39x=0+7Removing 0 doesn't change the value,so remove it from the expression −39x=7Change the signs on both sides of the equation 39x=−7Divide both sides 3939x=39−7Divide the numbers x=39−7Solution x=−397Alternative Form x=−0.1˙79487˙ Show Solution