CPM Homework Help : AC Problem 6-21

Determine if the statement below is true or false. Justify your conclusion.

$2(3 + 5x) = 6 + 5x$

Step 1:

Simplify both sides as much as possible and see if they are equal to each other.

Step 2:

$6+10x\ne6+5x$

Hint:

So, it is not true for all values of $x$ . But is there any value of $x$ that makes the statement true?

Answer:

Yes, The statement is sometimes true since $x=0$ makes the statement true.