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AnnZ [28]
4 years ago
6

Identify the property being illustrated: (12 + 5) + 21 = 12 + (5 + 21

Mathematics
1 answer:
ad-work [718]4 years ago
8 0
Associative property
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Please solve with working out <br> simultaneous equations<br> 3x+2y=12<br> 2x+2y=10
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Here, 3x + 2y = 12
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Subtract 2nd from 1st equation, 
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Now, substitute in 2nd, 
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2y = 10 - 4
y = 6/2
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In short, Your Answer would be: (2, 3)

Hope this helps!
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