anonymous
  • anonymous
simultaneous equations 5p+3q=25 3p+3q=21
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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jdoe0001
  • jdoe0001
you mean a "system of equations" :/
anonymous
  • anonymous
umm no simultaneous equations where i think u substitute one sum into other or sthin!!
jdoe0001
  • jdoe0001
hehe, ok, well, so, if you multiply the bottom one by -1, what would that give you?

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anonymous
  • anonymous
WAT!?!?! now remember u gotta find p and q
terenzreignz
  • terenzreignz
Yes, @jdoe0001 is leading (very well) into that :D
anonymous
  • anonymous
sorry ;)) i was meant to rite now i remember
terenzreignz
  • terenzreignz
He is using a method called elimination, of course, you can always use substitution if that's what you're comfortable with~
jdoe0001
  • jdoe0001
5p+3q=25 3p+3q=21 x (-1) => 5p+3q=25 ???+???=???

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