# How do you evaluate the expression for x = -2, y = 3, z = -4 given 7x - 2y - 8z?

##### 1 Answer

Apr 24, 2016

#### Answer:

12

#### Explanation:

Substitute the numbers into its corresponding position.

Now evaluate using PEMDAS (*Remember that when multiplication and division are together evaluate from left to right. The same thing goes for addition and subtraction.*)