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zloy xaker [14]
3 years ago
5

Solve the system of linear equations by substitution.

Mathematics
1 answer:
amid [387]3 years ago
5 0

Answer:

point form : (9,2) equation form : x=9 y=2

Step-by-step explanation:

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2 years ago
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Which is a factor of 144 − 49x2?<br><br> 12 - 7x2<br> 72 – 7x2<br> 12 – 7x<br> 72 + 7x
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Answer:

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Step-by-step explanation:

144 − 49x²

by observation, we can see that 144 = 12² and 49 = 7²

hence we can rewrite the equation

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hence,

12² - (7x)²

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