cupcake106 cupcake106

14-05-2018
Mathematics

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How can you use properties of equality to reason about these equations??

How can you use properties of equality to reason about these equations class=

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npiazza90p8qc3q npiazza90p8qc3q

14-05-2018

x = blue circle
y = red triangle
z = green square

1st line:

4x + y = 2z+ y
4x = 2z
x = 1/2 , z = 2

2nd line:

3x + 3y + z = x
2x + 3y + z = 0

3rd line:

2x + z = 6y

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