Question Solve the equation x=−3 Evaluate 12−3x=21Move the constant to the right-hand side and change its sign −3x=21−12Subtract the numbers −3x=9Change the signs on both sides of the equation 3x=−9Divide both sides 33x=3−9Divide the numbers x=3−9Solution More Steps Evaluate 3−9Reduce the numbers 1−3Calculate −3 x=−3 Show Solution Rewrite the equation x=−3 Evaluate 12−3x=21Move the constant to the right side −3x=9Multiply both sides 3x=−9Solution x=−3 Show Solution Graph