What should we add to both sides of the equation to isolate the variable $m$m in the equation:

$m-6=12$m−6=12

Add $\editable{}$ to both sides

What should we subtract from both sides of the equation to isolate the variable $x$x in the equation:

Fill in the blank below to balance the equation:

What term is needed to balance the equation:

Form and solve simple linear equations