Essay Lab | Math Shack | Videos
TABLE OF CONTENTS
Solve for x:
To isolate x we can do one of two things: subtract -8 or add +8. We prefer adding the opposite.
To check, let's plug -12 in for x.
Solve for y:
This one is a bit trickier. We are going to show you how to do this two different ways:
Here is the other way:
Now check the answer:
Solve for z:
This one is different from the first division example; here the variable is in the denominator. To solve for z, we must first get the variable back on top.
Now, don't forget to check: