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Arturiano [62]
4 years ago
12

Evaluate each expression if x = −2, y = −3, and z = 5.

Mathematics
1 answer:
Scrat [10]4 years ago
3 0
Basically what you have to do is substitute the variables for the values

-4+-9+5= -8
-2-3= -5
2= 2 
6-4+1= 3
-9(-2+-4--3)= 27

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Leno4ka [110]

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Step-by-step explanation:

How to remember which is which? Well, alphabetically they are:

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You can also think:

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3x + 2x + 7 = 32 <br> x = ?
natka813 [3]

Answer:

x = 5

Step-by-step explanation:

Hello!

For this equation, we start by combining like terms. Since we have two terms with the same variable, we are able to add them together:

3x + 2x + 7 = 32

5x + 7 = 32

As you can see, we added 3x and 2x together.

Now, since we are aiming to get x by itself, we need to subtract 7, from both sides:

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Finally, we divide the 5 attached onto the x by itself, which will leave the x alone on one side:

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Again, we divided on both sides.

And, there you have it!

x = 5

Hope I helped!

-Mary

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Answer:

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Step-by-step explanation:

hope that helped

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