
Home > MC1 > Chapter 10 > Lesson 10.1.2 > Problem 10-25
10-25.
Find the value of the variable that makes each equation true.
If
, then .
Why does this make sense?If
, what must be equal to?
Try setting up a diagram to figure it out.What do you need to subtract from
to get ?
How can you use this to help figure out the value of?