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Earn +20 ptsQ: Combining like terms 4 5z plus 3 -8?
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What is the answer for adding polynomials 2z plus 3z plus 5z plus 4 plus 6x-2x?
We can simplify this expression by combining the like terms. Here the likes terms are the z's and the x's.2z + 3z + 5z = 10z. (If we have 2 of something and add three of the same thing and then 5 of the same thing we will end up with 10 of that thing).Likewise we can combine the x's.6x - 2x = 4x. (You could think of this as 6x + - 2x if this helps with the idea of "combining".)Therefore we are able to simplify this expression as:2z + 3z + 5z + 4 + 6x - 2x = 10z + 4 + 4x.
What is -8z plus 5z?
-8z + 5z = -3z
What is 5(5z plus 5)?
It is: 5(z+5) = 5z+25
What does 9z plus -5z equals 30 plus 1z equal?
9z-5z = 30+z 3z = 30 z = 10
What is 2 plus 4z plus 6 - 9z - 5?
3-5z
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