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Shalnov [3]
3 years ago
15

Help me below so i dont fail please

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
8 0
Your good its 80 one way you can always tell if its a triangle  is if all the angles add up to 180 
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Solve each system of equations <br> 2x- 5y = 7<br> 3x - y = -9
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Step-by-step explanation:

2x - 5y = 7

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Rewrite top equation. Multiply both sides of bottom equation by -5. Add equations. This eliminates y, and we solve for x.

         2x - 5y = 7

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----------------------------

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3 years ago
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Step-by-step explanation:

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