### Home > CCA > Chapter 1 > Lesson 1.1.1 > Problem 1-8

1-8.

For each equation below, find if

*.*

Substitute

into the equation, then solve for .

Substitute

into the equation, then follow the Order of Operations to find .

Refer to part (b).

1-8.

For each equation below, find if

Substitute

into the equation, then solve for .

Substitute

into the equation, then follow the Order of Operations to find .

Refer to part (b).