anonymous
  • anonymous
What is the result of adding the system of equations? 2x + y = 4 3x - y = 6 x = 2 x = 10 5x = 10
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
x = 2?
just_one_last_goodbye
  • just_one_last_goodbye
give me a sec ok? ^_^
just_one_last_goodbye
  • just_one_last_goodbye
Step: Solve2x+y=4for y: 2x+y+−2x=4+−2x(Add -2x to both sides) y=−2x+4 Step: Substitute−2x+4foryin3x−y=6: 3x−y=6 3x−(−2x+4)=6 5x−4=6(Simplify both sides of the equation) 5x−4+4=6+4(Add 4 to both sides) \[\frac{ 5x }{ 5 } = \frac{ 10 }{ 5 }\] (Divide both sides by 5) x=2 Step: Substitute2forxiny=−2x+4: y=−2x+4 y=(−2)(2)+4 y=0 (Simplify both sides of the equation)

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anonymous
  • anonymous
oh so it 5x=10?
just_one_last_goodbye
  • just_one_last_goodbye
no :)
just_one_last_goodbye
  • just_one_last_goodbye
5x/5 cancel out while dividing by 5
just_one_last_goodbye
  • just_one_last_goodbye
y = 0 and x = 2
anonymous
  • anonymous
oh ok thanks:)
just_one_last_goodbye
  • just_one_last_goodbye
No prob ^_^

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