Show or explain your thinking.
Which expression is equivalent to the following expression?
12r + t - 4r + 6t
Which expression is equivalent to the following expression?
(12r + 2t) - (4r + 10t)
Show or explain your thinking.
Which expression is equivalent to the following expression?
12(r + t) - 6(r + t) + 4(r + t) - 2(r + t)
Show or explain your thinking.