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Evaluate the following expression using the values given. Find 4x - y - 2z if x = -2, y = 3, and z = -2

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what are you having trouble with?
you substitute the values given for the appropriate variable then follow PEMDAS
Substitute what values?

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Other answers:

x = -2, y = 3, and z = -2
the numbers are values
Ohh okay 1 sec
is it 9?
no, first just sub the values and rewrite the full expression with the x y z
i mean without the x y z
you can rewrite it here
do u understand what im asking?
4(-2) - 3 - 2(-2)
exactly! now do you know how to solve that?
I do the ones in parentheses first right?
well parentheses come first, but here what is inside the parentheses is just a number, there nothing to do in there. so you actually do multiplication first. 4(-2) is just another way, a more clear way, of saying 4 * -2
I did that and I got 8 - 3 - -4
4 * -2 actually equals -8
Ohhhhh whoops
whenever you multiply a negative and a positive the answer is always negative
Oh so it';s -7?
boom! nice job
Haha, thanks!
:) good luck

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