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umka2103 [35]
4 years ago
9

1. Determine if the two expressions are equivalent and explain your reasoning.

Mathematics
1 answer:
Elena-2011 [213]4 years ago
6 0
1. Yes because of the constant and coefficient if you add it. Like the answer is 5m +4.

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<img src="https://tex.z-dn.net/?f=%20-%204u%20%2B%204x%20%3D%2012%20%5C%5C%20%20-%20u%20%3D%20%20-%202" id="TexFormula1" title="
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When u=-2, put that in where you see "u". use parentheses.
-4(-2)+4x=12

-4*-2=8 ➡positive 8 since a negative times a negative is always positive
一一一一一
now look for x
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subtract 8 from both sides. get x by itself.

-8+8+4x=12-8
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4/4=1
一一一一一

x=1
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Step-by-step explanation:

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