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

User Worrynerd
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Final answer:

To evaluate the given expression 7x - 2y - 8z for x = -2, y = 3, and z = -4, substitute these values into the expression. Perform the operations to get to the solution, which is 12.

Step-by-step explanation:

To evaluate the expression 7x - 2y - 8z for x = -2, y = 3, and z = -4, we substitute these values into the given expression.

Following the substitution, the expression becomes: 7(-2) - 2(3) - 8(-4)

By executing the operations, we get: -14 - 6 + 32

The solution to this is 12.

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User Maliaka
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