anonymous
  • anonymous
Part 1: Decide whether you would use the graphing, substitution, or elimination method to solve the following system of equations. Explain, in complete sentences, why you chose that method. Part 2: Solve the following system of equations and show all of your work. 2x + 5y = −3 −15x − 5y = −10
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
elimination method
anonymous
  • anonymous
sum both side, what you get..
anonymous
  • anonymous
I agree. Use elimination. If you just add the two equation together, the -5y and +5y cancel out and leaves you with only xs.

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anonymous
  • anonymous
So you'd have -13x = -13 so x = 1
anonymous
  • anonymous
but why do u chose elimination
anonymous
  • anonymous
Because it's quick and easy and gets rid of the ys straight away so you can quickly solve for x.
anonymous
  • anonymous
ok now can you help me go step by step with the rest?

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