Home > CC3MN > Chapter 3 > Lesson 3.2.1 > Problem 3-74
3-74.
For the following equations, solve for
Subtract
from both sides.
Get the variable on a side by itself.
Solve for
.
Follow the steps in part (a).
How does the negative sign in front of the parentheses change what is inside?
Use a diagram of the Equation Mat or some other method to explain why
. Refer to the Math Notes box in Lesson 2.1.9 if you need more help with using an Equation Mat.